Free Printable AU3 Unit Test Intervention

1.

Find the Slope from the Pair of Points
(-4,-5) (4,5) slope = _____

a)

4/5

b)

-5/4

c)

5/4

d)

-4/5

2.

Write a rule for the following table:
x: -2 -1 0 1 2 3
-------------------------------
y: -3 0 3 6 9 12

a)

y = 3x -1

b)

y = 3 + 3x

c)

y = -3x -2

d)

y = x + 3

3.

What is the slope?

a)

m= -2/3

b)

m=3/2

c)

m=-3

d)

m=2

4.

Find slope:

a)

m= 4

b)

m=1/4

c)

m=-4

d)

m=-1/4

5.

Write in slope intercept form
5x - 3y = -9

a)

y = (5/3)x - 3

b)

y = (5/3)x + 9

c)

y = (5/3)x + 3

d)

y = (3/5)x + 3

6.

What ordered pair best represents the location of the y -intercept?

a)

(0,1)

b)

(3, 0)

c)

(0, - 1)

d)

(- 1, 0)

7.

What is the slope of a line that passes through the points

(- 8, 5) and (4, 9)?

a)

$-3$

b)

$\frac{1}{3}$

c)

$3$

d)

$-\frac{1}{3}$

8.

Which equation represents the line that passes through the points

(9, -1) and (2, -3)?

a)

2x + 8y = 36

b)

2x - 5y = 29

c)

2x - 4y = - 11

d)

2x - 7y = 25

9.

The graph of a linear function is shown on the grid.

Which equationi s best Represented by this graph?

a)

$y\ +\ 2\ =\ \frac{7}{5}\left(x\ +\ 7\right)$

b)

$y\ -\ 2\ =\ \frac{7}{5}\left(x\ -\ 7\right)$

c)

$y\ +\ 2\ =\ \frac{5}{7}\left(x\ +\ 7\right)$

d)

$y\ -\ 2\ =\ \frac{5}{7}\left(x\ -\ 7\right)$

10.

The table shows a linear relationship between x and y.

What is the rate of change of y with respect to x?

a)

$-\frac{9}{2}$

b)

$\frac{2}{9}$

c)

$-\frac{2}{9}$

d)

$\frac{9}{2}$

11.

Write the equation of a line that passes through the point (2,-4) and has a slope of 4.

a)

y=4x +12

b)

y=-4x-12

c)

y= 4x - 12

d)

y= 4x -4

12.

Write the equation of a line that passes through the point (-5,-4) and has a slope of 1/5.

a)

y=1/5x - 3

b)

y=-3x-2/5

c)

y= 1/5x - 4

d)

y= 1/5x + 3

13.

When converting the equation

2x + 4y = 8

into slope-intercept form, the first step to solve for y would be to ____________.

a)

subtract 2x from each side

b)

subtract 4y from each side

c)

add 2x to each side

d)

add 4y to each side

14.

When converting the equation

2x - 3y = -9

into slope-intercept form, the first step to solve for y would be to ____________.

a)

subtract 2x from each side

b)

subtract 3y from each side

c)

add 2x to each side

d)

add 3y to each side

15.

After adding x to each side, the resulting equation is shown below:

-x + 2y = -10

2y = x - 10

The final step to solve for y would be to ____________.

a)

divide each term by 2

b)

divide each term by -2

c)

add 2 to each side

d)

subtract 2 from each side

16.

Solve for y:
8x + 4y= 16

a)

y = -8x + 16

b)

y = 2x -4

c)

y = -2x + 4

d)

y = -8x + 12

17.

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation for the total cost of x pounds of fruit from the orchard.

a)

y = 3x + 2.5

b)

y = 2.50x + 3

c)

y = 2.50x

d)

y = 3x + 2.50

18.

Write an equation for the line

a)

y = 50x

b)

y = 20x

c)

y = 0.02x

d)

y = 0.2x

19.

What is the y-intercept?

a)

(0,7)

b)

(0, 0)

c)

(0,1)

d)

(0, 2)

20.

Find the rate of change

a)

1

b)

2

c)

11

d)

Not a constant slope/Non-Linear

21.

Who has the greater rate of change?

a)

Hunter has the greater rate of change.

b)

Casey has the greater rate of change

c)

They have the same rate of change

22.

Who has the greater rate of change?

a)

Tyler has the greater rate of change with 2/3

b)

Aubri has the greater rate of change with 3/2

c)

Tyler has the greater rate of change with 3/2

d)

They have the same rate of change.

23.

What is the rate of change (slope) to rent a raft from Ryan's Rafts?

a)

$15 per hour

b)

$2.25 per hour

c)

$17.25 per hour

d)

$1 per hour

24.

Find the slope of the line that passes through:
(-4, 7) and (-6, -4)

a)

2/11

b)

13/2

c)

3/10

d)

11/2

25.

Find the 8th term in the sequence

3, 5, 7, 9, 11, ...

a)

12

b)

15

c)

17

d)

18

26.

a)

a

b)

b

c)

c

d)

d

27.

a)

b)

c)

d)

28.

a)

a

b)

b

c)

c

d)

d

29.

a)

b)

c)

d)

30.

a)

b)

c)

d)

31.

Find the equation of the line that passes through the points:

(2, 2) and (3, 4)

a)

y = 2x + 2

b)

y = -2x - 2

c)

y = -2x + 2

d)

y = 2x - 2

32.

What is the formula for slope-intercept form?

a)

ax + by = c

b)

y = mx

c)

ax = by

d)

y = mx + b

33.

Write equation of the line containing (-3,4) and (-1,-2)

a)

y = -3x - 5

b)

y = -3x + 1

c)

y = -3x + 13

d)

y = 3x + 1

34.

What is the slope of the line represented by the equation y = -9?

a)

0

b)

-9

c)

9

d)

1

35.

Which equation represents the graph pictured?

a)

y = 1x + 3

b)

y = 3x + 1

c)

y = 1/3x + 1

d)

y = -3x + 1

36.

Which equation represents the graph pictured?

a)

y = -2x - 6

b)

y = 2x - 6

c)

y = 1/2x - 6

d)

y = -1/2x - 6

37.

Which equation represents the graph pictured?

a)

y = 2x + 10

b)

y = 10x + 2

c)

y = 1/2x + 10

d)

y = 1/2x + 2

38.

Find the x and y intercepts
4x - 5y = 40

a)

x intercept is 10
y intercept is 8

b)

x intercept is 10
y intercept is 20

c)

x intercept is 8
y intercept is 10

d)

x intercept is 10
y intercept is -8

39.

Randy charges his tenants $400 each month to rent his houses plus $600 security deposit. In the new year, the property taxes increased on the area where he rents so as a result he must increase the rate of change by $25 to ensure his profits are not harmed. What equation best represents how much his tenants will now have to pay?

a)

y = 425x + 600

b)

y = 425 + 600x

c)

y = 400x + 625

d)

y = 400 + 625x

40.

What is the rate of change (slope) to rent a raft from Ryan's Rafts?

a)

$15 per hour

b)

$2.25 per hour

c)

$17.25 per hour

d)

$1 per hour

41.

What is the slope of

-6x-2y=9?

a)

9/2

b)

9

c)

-3

d)

-6

42.

The equation below represents an elevator's height after an amount of seconds. Using this equation, what should the height of the elevator be after 14 seconds?
y = -3.8x + 290

a)

80

b)

236.8

c)

-80

d)

72.6

43.

Which graph represents 2x + 4y = 12?

a)

b)

c)

d)

44.

Find the Slope

a)

-2/1

b)

-1/2

c)

No Slope

d)

2/1

45.

Which of the following are ways to find the rate of change?

a)

change in y over change in x

b)

rise over run

c)

subtract y coordinates over subtract x coordinates

d)

all of the above

46.

What is the correlation for the following Scatter Plot.

a)

Weak Positive

b)

No Correlation

c)

Strong Negative

d)

Weak Negative

e)

Strong Positive

47.

What is the correlation for the following Scatter Plot.

a)

Weak Positive

b)

No Correlation

c)

Strong Negative

d)

Weak Negative

e)

Strong Positive

48.

Given the following Scatter Plot, select the option that is most likely the r value.

a)

$r=.27$

b)

$r=-.862$

c)

$r=.934$

d)

$r=.54$

49.

Given the following Scatter Plot, select the option that is most likely the r value.

a)

$r=-.45$

b)

$r=-.981$

c)

$r=.728$

d)

$r=.12$

50.

Estimate the correlation coefficient for this scatterplot.

a)

A) r = -0.9

b)

B) r = 1

c)

C) r = 0.9

d)

D) r = -1

51.

What is the correlation for the following Scatter Plot.

a)

Weak Positive

b)

No Correlation

c)

Strong Negative

d)

Weak Negative

e)

Strong Positive

52.

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true?

a)

There is a negative relationship between height and weight

b)

There is a positive relationship between height and weight

c)

There is a constant relationship between height and weight

d)

There is no relationship between height and weight

53.

Based on the scatter plot, which statement best describes the trend?

a)

As the daily temperature increases, the number of beach visitors increases.

b)

As the daily temperature decreases, the number of beach visitors increases.

c)

As the daily temperature increases, there is no change in the number of beach visitors

d)

As the daily temperature increases, the number of beach visitors decreases

54.

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

a)

65

b)

92

c)

70

d)

76

55.

A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.

a)

y = 1.5x + 12

b)

y = 12x + 1.5

c)

y = 0.67x - 8

d)

y = -8x + 0.67

56.

A person travels by car. They record their miles driven in a data table. Calculate the linear regression equation of this data.

a)

y = 61.93x - 1.79

b)

y = -1.79x + 61.93

c)

y = 0.016x + 0.03

d)

y = 0.03x + 0.016

57.

Write the linear regression equation for the following data points. Round to the nearest hundredth.

a)

$y=-0.83x+0.61$

b)

$y=-0.83x+0.63$

c)

$y=0.83x+-0.8$

d)

$a^2+b^2=c^2$

58.

Jenny went to the sale at Kohl's last weekend.
T-shirts were on sale for $15 each and hoodies were on sale for $20 each. If she spent $150 total, write an equation to represent this situation.

a)

20x + 15 = y

b)

35x = y

c)

15x + 20y = 150

d)

150 - 20x = 15y

59.

Sam ordered 4 tacos and 5 enchiladas for lunch at the restaurant. His bill came to $10.80. Which equation matches the given situation?

a)

4x + 3y = 8.10

b)

4x + 5y = 10.80

c)

4x - 5y = 10.80

d)

4x + 10.80y = 5

60.

Which graph represents x=2?

a)

A

b)

B

c)

C

d)

D

61.

The booster club made $708 on homecoming T-shirt sells. Small t-shirts cost $12 while large t-shirts cost $14. If x is small t-shirts and y is large t-shirts, what equation represents this.

a)

12x + 14y = 708

b)

14x + 12y = 708

c)

708x + 14y = 12

d)

12x + 708y = 14

62.

Sonya has $40 in her lunch account and pays $2 each day to eat lunch. Which equation can be used to find the amount of money Sonya has left on her account after x days?

a)

y = 40 + 2x

b)

y = 40 - 2x

c)

y = 2 + 40x

d)

y = 2 - 40x

63.

Oranges cost $4 per pound and bananas cost $2 per pound. A customer spends $28.

If "x" is the oranges and "y" is the bananas, which equation models this?

a)

2x + 4y = 28

b)

4x + 2y = 28

64.

The same situation -- Oranges are $4 and bananas are $2 for a total of $28.

The equation is: 4x + 2y = 28

How many pounds of bananas can you buy if you purchased 3 pounds of oranges?

a)

6 pounds

b)

8 pounds

65.

Luke wants to make 80 dollars doing yardwork. He earns $10 per lawn he mows and $20 per garden he weeds. Let y=number of lawns mowed. Let x=number of gardens he weeds. Write an equation in standard form that models this situation.

a)

10x+20y=80

b)

10y+20x=80

c)

80+20y=10x

d)

x+y=80

66.

Juan is selling shirts for a fund raiser. Short sleeve shirts (x) cost $15 each and long sleeve shirts (y) cost $20 each. His goal is to raise $400 so his club can go on a field trip. Juan uses the equation below to represent his situation.

15x + 20y = 400

What does the x-intercept represent?

a)

The number of short sleeve shirts Juan must sell if he does not sell any long sleeve shirts.

b)

The number of long sleeve shirts Juan must sell if he does not sell any short sleeve shirts.

c)

The lowest number of shirts Juan could possibly sell.

d)

The total number of short sleeve and long sleeve shirts Juan sells.

67.

Write in slope intercept form
5x - 3y = -9

a)

y = (5/3)x - 3

b)

y = (5/3)x + 9

c)

y = (5/3)x + 3

d)

y = (3/5)x + 3

68.

Determine the slope and y-intercept from the following equation: 4x + y = -10

a)

slope: 4 y-intercept: (0,10)

b)

slope: -4 y-intercept: (0,-10)

c)

slope: -4 y-intercept: (0,10)

d)

slope: 4 y-intercept: (0,-10)

69.

Find the slope of the following equation. (Hint: Get y alone first)
3x-6y=12

a)

3

b)

-3

c)

-1/2

d)

1/2

70.

what is the last step to finish solving for y= mx+ b for the equation 3y = -5x + 10

a)

divide everything by - 3

b)

subtract 3y from both sides

c)

divide everything by 3

d)

add 3y from both sides

71.

Which of the following equations has a SLOPE of zero?

a)

y = x + 4

b)

y = x

c)

y = 3

d)

y = 3x + 0

72.

Which panda was heavier when they were born?

a)

Mochi

b)

Kappa

c)

Po the dragon warrior

d)

Jack Black

73.

Which panda will weigh more at 5 weeks?

a)

Mochi

b)

Kappa

c)

Po the dragon warrior

d)

Jack Black

74.

Which company pays the most per pizza?

a)

Bombinoe's Pizza

b)

Little Squeezer's Pizza

c)

Pizza Tent

d)

Papa Ron's

75.

What is the rate of change (slope) to rent a raft from Water's Edge Rafts?

a)

$6 per hour

b)

$5 per hour

c)

$1 for 6 hours

d)

$1 for 5 hours

76.

What is the Slope to rent a raft from Ryan's Rafts?

a)

$15 per hour

b)

$2.25 per hour

c)

$17.25 per hour

d)

$1 per hour

77.

What is the slope to rent a raft from Water's Edge Rafts?

a)

$6 per hour

b)

$5 per hour

c)

$1 for 6 hours

d)

$1 for 5 hours

78.

Who has the greater slope?

a)

Tyler has the greater slope with 2/3

b)

Aubri has the greater slope with 3/2

c)

Tyler has the greater slope with 3/2

d)

They have the same slope.

79.

Who has the greater Slope?

a)

Smith has the greater slope.

b)

Harmon has the greater slope.

c)

Macey has the greater slope.

d)

They have the same slope.

80.

Who has the greater slope?

a)

Smith has the greater slope with 5/4

b)

Harmon has the greater slope with 7/2

c)

Smith has the greater slope with 4/5

d)

They have the same slope.

81.

Janet is planning her sweet sixteen birthday party. She must decide which party coordinator she should use so that she spends the least amount of money possible. Each coordinator charges an initial fee for their services, plus an additional fee depending on the number of guests that attend the party. Each coordinator's rates are shown in the image.

Which coordinator charges the greatest fee per guest?

a)

Coordinator A

b)

Coordinator B

c)

Coordinator C

d)

Coordinator D

82.

Janet is planning her sweet sixteen birthday party. She must decide which party coordinator she should use so that she spends the least amount of money possible. Each coordinator charges an initial fee for their services, plus an additional fee depending on the number of guests that attend the party. Each coordinator's rates are shown in the image.

If Janet is planning on inviting 24 guests, which coordinator should she use?

a)

Coordinator A

b)

Coordinator B

c)

Coordinator C

d)

Coordinator D

83.

Equation A: y = 3x - 1
Equation B: y = 1/2x + 1
Which equation has a higher y intercept?

a)

Equation A

b)

Equation B

c)

They have the same Y intercept

84.

Equation A: y = 2x + 3
Equation B: y = 3x - 3
Which equation has a higher slope?

a)

Equation A

b)

Equation B

c)

They have the same slope

85.

Which with is the line of best fit?

a)

A) Black

b)

B) Orange

c)

C) Red

d)

D) Blue

86.

Estimate the correlation coefficient for this scatterplot.

a)

r = 1.2

b)

r = 0.89

c)

r = 0

d)

r = -0.89

87.

If x is temperature and y is coffee sales, use the following formula to determine the coffee sales on a 34° day.

y = -60x+6443

a)

$4403

b)

$4673

c)

$8483

d)

$6443

88.

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.

y= 10 + 3x

What does the y-intercept of the graph of this equation represent?

a)

The monthly fee

b)

How much Rich pays per visit

c)

The number of times Rich goes to the gym

d)

The total cost at the end of the month

89.

a)

5,000

b)

2,620

c)

17,000

d)

20,200

90.

If Joe worked 30 hours, how much is he expected to earn?

a)

$600

b)

$200

c)

$1000

d)

$800

91.

The chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the equation of best fit. Round decimals to 3 places.

a)

y = 839.721x + 27541.812

b)

y = 27541.812x - 839.721

c)

y = 27541.812x + 839.721

d)

y = 839.721x - 27541.812

92.

Write the equation of a line that passes through the point (-5,-4) and has a slope of 1/5.

a)

y=1/5x - 3

b)

y=-3x-2/5

c)

y= 1/5x - 4

d)

y= 1/5x + 3

93.

Write the equation of a line that passes through the point (2,-4) and has a slope of 4.

a)

y=4x +12

b)

y=-4x-12

c)

y= 4x - 12

d)

y= 4x -4

94.

Write the equation of a line that passes through the point (-9,2) and has a slope of -1/9.

a)

y= -1/9x-1

b)

y= -1/9x-2

c)

y= -1/9x+2

d)

y= -1/9x+1

95.

What is the equation of the linear function?

a)

y = -3x + 10

b)

y = -3x + 16

c)

y = 3x + 10

d)

y = 3x + 16

96.

Write the linear equation that goes through the point (−6, 2) and (0, 4):

a)

y = 1/3x + 4

b)

y = -1/3x + 4

c)

y = -3x + 4

d)

y = 3x + 4

97.

Choose the correct equation.

a)

y = 3x + 6

b)

y = -3x + 6

c)

y = 3x - 6

d)

y = -3x - 6

98.

Given the table, write the equation in the slope-intercept form.

a)

y = 1/3x + 6

b)

y = 3x + 6

c)

y = 2x + 6

d)

y = 1/2x + 6

99.

Write an equation of the line that passes through(-2, 8) and (0, 8)

a)

y = 8

b)

y = -2

c)

x = 8

d)

x = -2

100.

Find the slope

a)

-5/7

b)

7/5

c)

-7/5

d)

5/7

101.

What is the equation of this line?

a)

y = 2x +2

b)

y = 2x -2

c)

y = -x + 2

d)

Cannot be Determined

102.

For the equation
y - 3 = 2(x + 4),
the line has a slope of 2 and contains what point?

a)

(-4, 3)

b)

(3, -4)

c)

(-3, -4)

d)

(-4, -3)

103.

What is the y-intercept of
2x - 5y = 35?

a)

(0,-7)

b)

(-7,0)

c)

(35/2, 0)

d)

(0,35/2)

104.

Write the equation of the line.

a)

y= -1x-3

b)

y= -3x-1

c)

y=-1/3x-1

d)

y= -3x-3

105.

Write the equation for the line in slope-intercept form.

a)

y= -1x+3

b)

y= 4x+3

c)

y=1/4x+3

d)

y= -4x+3

106.

Which equation matches the graph? (Click me to see the image)

a)

y = 2x

b)

y = 1/4 x + 2

c)

y = 1x + 4

d)

y = -2x

107.

Write the equation of the line.

a)

y = x + 1

b)

y= x - 1

c)

y= -x + 1

d)

y= -x - 1

108.

Find the slope.

a)

-1/7

b)

1/7

c)

-7

d)

7

109.

Find the y-intercept.

a)

2

b)

-2

c)

-5

d)

5

110.

Find the slope.

a)

-1/4

b)

1/4

c)

-4

d)

4

111.

Identify the slope and the y-intercept of the graph of the following equation:

y=3x+5

a)

m = 3 and b = 5

b)

m = 5 and b = 3

c)

m = 3x and b = y

d)

There is no y-intercept.

112.

Determine the equation of the line.

a)

$y=\frac{3}{2}x$

b)

$y=\frac{2}{3}x$

c)

$y=-\frac{3}{2}$

d)

$y=\frac{2}{3}$

113.

Determine the equation of the line.

a)

$y=-\frac{1}{5}x+2$

b)

$y=5x+2$

c)

$y=\frac{1}{5}x-2$

d)

$y=5x-2$

114.

What are the steps for graphing the equation,

y=2x-5

on a coordinate plane?

a)

Step 1: Plot the first point on the y-axis at (0, -5).

Step 2: From the starting point, go UP 2 : RIGHT 1 to plot the next point.

b)

Step 1: Plot the first point on the x-axis at (-5, 0).

Step 2: From the starting point, go UP 2 : RIGHT 1 to plot the next point.

c)

Step 1: Plot the first point on the y-axis at (0, -5).

Step 2: From the starting point, go UP 1 : RIGHT 2 to plot the next point.

d)

Step 1: Plot the first point on the x-axis at (0, -5).

Step 2: From the starting point, go UP 2 : RIGHT 5 to plot the next point.

115.

What are the steps for graphing the equation, $y=-2x+3$ on a coordinate plane?

a)

Step 1: Plot the first point on the y-axis at (0, 3).

Step 2: From the starting point, go DOWN 2 : RIGHT 1 to plot the next point.

b)

Step 1: Plot the first point on the y-axis at (3, 0).

Step 2: From the starting point, go DOWN 3 : RIGHT 1 to plot the next point.

c)

Step 1: Plot the first point on the y-axis at (0, -3).

Step 2: From the starting point, go UP 2 : RIGHT 1 to plot the next point.

d)

Step 1: Plot the first point on the y-axis at (0, 3).

Step 2: From the starting point, go UP 1 : RIGHT 2 to plot the next point.

116.

Which line represents the equation, $y=-2x$ ?

a)

Line A

b)

Line B

c)

Line C

d)

Line D

117.

PhotosFast charges a fee of $2.50 plus $0.05 for each picture developed. Which equation models the relationship between the fee and cost per picture?

a)

y = $2.50x + $0.05

b)

y = -$0.05x + $2.50

c)

y = -$2.50x + $0.05

d)

y = $0.05x + $2.50

118.

Using the equation $1=8\left(-3\right)+b_{\ }$ what is the y intercept?

(a)

119.

What is the equation of the graphed line?

a)

y = 3

b)

y = 3x

c)

x = 3

d)

x = 3y

120.

What is the equation of the line graphed?

a)

x = -1

b)

y = -1

c)

y = -1x

d)

y = x - 1

121.

Write the equation of a vertical line through the point (-1,3).

a)

y=-1x+3

b)

y=3x-1

c)

x=-1

d)

y=3

122.

Write the equation of a horizontal line through the point (2,4)

a)

x=2

b)

y=2

c)

x=4

d)

y=4

123.

Which is the correct graph for x = -4?

a)

A

b)

B

c)

C

d)

D

124.

What is the equation of the graphed line?

a)

y = 3

b)

y = 3x

c)

x = 3

d)

x = 3y

125.

What is the equation of this line?

a)

0

b)

undefined

c)

y = -2

d)

x = -2

126.

Which equation is being represented by this line?

a)

y = -1x + 2

b)

y = 1/2x + 2

c)

y = 3x -4

d)

y = -3x +2

127.

Write the equation for the line in slope-intercept form.

a)

y=-1x+3

b)

y=4x+3

c)

y=¼x+3

d)

y=-4x+3

128.

Goes through points (-2, -1) and (-3, 5)

a)

y = 6x + 13

b)

y = -6x - 13

c)

y = -1/6x + 1

d)

y = 1/6x - 1

129.

Monica was taking a bus trip to see her aunt. For her to ride 50 miles it cost her $40. For her to ride 250 miles the bus trip would cost her $100. Find the rate of change in dollars per mile. Write an equation in slope-intercept form to model this situation.

a)

y = 3/10x + 40

b)

y = 2.5x + 25

c)

y = 3/10x + 30

d)

y = 3/10x + 25

130.

Find the slope

a)

-5/3

b)

-3/5

c)

5/3

d)

3/5

131.

Graph the line for the following equation

y = -3x + 2

a)

b)

c)

d)

132.

Which graph represents $y=-\frac{3}{2}x+4$

a)

b)

c)

d)

133.

Which graph represents the equation $y=4x-1$

a)

b)

c)

d)

134.

Which graph represents the equation $y=-3x$

a)

b)

c)

d)

135.

Give the x-intercept
3x + 8y = 24

a)

(8, 0)

b)

(0, 8)

c)

(3, 0)

d)

(0, 3)

136.

What is the y-intercept of the equation?
-x + 5y = 45

a)

y = 9 or (0, 9)

b)

y = 5 or (0, 5)

c)

y = -9 or (0, -9)

d)

None of these.

137.

Name the x- and y-intercepts for the equation:
5x - 3y = 15

a)

(3, 0) and (0, -5)

b)

(0, 3) and (-5, 0)

c)

(5, 15) and (15, 3)

d)

(0, -3) and (5, 0)

138.

Which graph represents 2x + 4y = 12?

a)

b)

c)

d)

139.

Which slope is steeper?

a)

y=10x

b)

y=5x

c)

y=.3x

d)

y=.7x

140.

Find the rate of change.

a)

-2 minutes per gallon

b)

-20 minutes per gallon

c)

-2 gallons per minute

d)

-20 gallons per minute

141.

The aquarium is draining a large fish tank. The pump they are using can drain 24 gallons per hour. After 3 hours, there are 78 gallons left in the tank. Write an equation in slope-intercept form to model the water left in the tank, y, after x hours of draining. How many gallons were originally in the tank?

a)

$y=-24x+78$ ; there was 78 gal in the tank initially

b)

$y=24x-150$ ; there was 150 gal in the tank initially

c)

$y=150x-24$ ; there was 24 gal in the tank initially

d)

$y=-24x+150$ ; there was 150 gal in the tank initially

142.

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

a)

12 chapters

b)

15 chapters

c)

18 chapters

d)

21 chapters

AU3 Unit Test Intervention

Total questions: 142

Worksheet time: 11hrs 44mins

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