Free Printable Extra Credit Math 1

1.

4a + 3 = 15

a)

2

b)

4

c)

1

d)

3

2.

3p - 1 = 5

a)

3

b)

2

c)

1

d)

0

3.

3(x+2) = 15

a)

13

b)

7

c)

4.33333

d)

3

4.

What is the solution to the equation -4x-14=6?

a)

5

b)

2

c)

-5

d)

24

5.

Solve for a:

$\frac{a-4}{5}=3$

a)

a=19

b)

a=11

c)

a= $\frac{3}{5}$

d)

a= $\frac{23}{5}$

6.

Solve:

$7+\frac{a}{3}=5$

a)

$a=-2$

b)

$a=-6$

c)

$a=3$

d)

$a=15$

7.

$-2v\ +\ v\ =\ 3$

a)

4

b)

$-5$

c)

$-3$

d)

5

8.

$x+2+6=8$

a)

0

b)

14

c)

8

d)

4

9.

What value of k makes the equation $10k-7=7k-15$ true?

a)

$k=\frac{8}{3}$

b)

$k=-\frac{8}{3}$

c)

$k=\frac{22}{3}$

d)

$k=-\frac{22}{3}$

10.

If $7p+9-p=4p-2$ , what is the value of p?

a)

$-\frac{11}{2}$

b)

$-\frac{7}{2}$

c)

$\frac{11}{2}$

d)

$\frac{7}{2}$

11.

Solve the inequality.

$-5x\ -\ 7\ <\ 28$

a)

x > -7

b)

x < -7

c)

x > $\frac{21}{5}$

d)

x < $\frac{-21}{5}$

12.

Solve the inequality.

$2\left(b\ -\ 8\right)\ >\ 12$

a)

b > 20

b)

b > 6

c)

b > 14

d)

b > 20

13.

Solve the inequality.

$-4d\ -\ 9\ \le\ 3$

a)

$d\ \ge\ \frac{6}{13}$

b)

$d\ \ge\ \frac{3}{13}$

c)

$d\ \ge\ -1\frac{1}{2}$

d)

$d\ \ge\ -3$

14.

8x ≥ -32

a)

x ≥ -4

b)

x ≥ 4

c)

x ≤ -4

d)

x ≥ 4

15.

Do I need to flip my sign?
-3x ≥ 12

a)

Yes

b)

No

16.

Do I need to flip my sign?
3x ≥ 12

a)

Yes

b)

No

17.

6 + 2h > 30

a)

h < 24

b)

18 > h

c)

h > 12

d)

h < -12

18.

Solve for k.

7k – 2 ≥ -9

a)

k ≤ -1

b)

k≤1

c)

k≥1

d)

k ≥ -1

19.

Solve for k.
2k - 9≤ -19

a)

k ≤ -5

b)

k ≤ 5

c)

k < -5

d)

k < 5

20.

-4x + 5 ≤ 29

a)

x ≥ 6

b)

x ≤ -6

c)

x ≥ -6

d)

x ≤ 6

21.

Which point below is NOT part of the solution set?

a)

(0, 0)

b)

(5, 1)

c)

(-1, -3)

d)

(20, -5)

22.

Will my line be solid?
5 ≥ x

a)

Yes

b)

No

23.

which equation best represents this graph?

a)

y < 1/2x + 1

b)

y < 1/2x + 2

c)

y >1/2x + 2

d)

y > 2x

24.

Select the graph for y ≥ -3.

a)

A

b)

B

c)

C

d)

D

25.

Identify the inequality.

a)

y > x+1

b)

y ≤ 1x+1

c)

y ≥ x+1

d)

y ≤ x-1

26.

Which inequality is graphed on the given coordinate plane?

a)

y ≤ -x + 1

b)

y < x + 1

c)

y ≥ -x + 1

27.

Which of the following equations match the given graph?

a)

y > 2x - 5

b)

y ≥ 7/4x + 2

c)

x < -5

d)

x > -5

28.

Which inequality represents the graph?

a)

x ≤ -2

b)

x + 2y ≤ 6

c)

y ≤ -2x

d)

y < -2

29.

When graphing $y\ge\frac{2}{3}x-1$ , the boundary line is

a)

solid

b)

dotted

30.

Which point below is NOT a part of the solution set?

a)

(0, 0)

b)

(0, 1)

c)

(-100, -3)

d)

(5, 10)

31.

What is the solution?

a)

(1, -1)

b)

(-1, 1)

c)

(0, -2)

d)

(0, 1)

32.

Give the solution to the system.

a)

(3,1)

b)

(1,3)

c)

(-1,3)

d)

(1, -3)

33.

How many solutions?

a)

One Solution

b)

No solution

c)

Infinitely Many Solutions

34.

Solve for x and y
3x + 2y = 16
7x + y = 19

a)

(-2,5)

b)

(-2,-5)

c)

(2,-5)

d)

(2,5)

35.

x + 2y = -4
x - 2y = 8

a)

(2,5)

b)

(2,-3)

c)

(2,-2)

d)

(-3,2)

36.

3x + y = 4
x + 2y = -2

a)

(2,2)

b)

(-2,-2)

c)

(2,-2)

d)

(-2,2)

37.

Solve the system of equations by elimination.
-x + y = -13
-8x - 4y = -8

a)

(5, 8)

b)

(5, -8)

c)

(-5, -18)

d)

(-5, 8)

38.

Nancy went to the grocery story. On Monday she purchased 4 apples and 6 bananas for a total of $13. On Wednesday she purchased 3 apples and 7 bananas for a total of $13.50. Which system of equations represents the situation?

a)

4x + 6y = 3

13.5x - 13y = 6

b)

x + y = 4

x - y = 6

c)

4x + 6y = 13

3x + 7y = 13.5

d)

4x - 6y = 13

3x - 7y = 13.5

39.

If a system of equations has no solution, what does the graph look like?

a)

intersecting lines

b)

parallel lines

c)

skew lines

d)

intersecting lines

40.

The ordered pair that satisfies all equations in the system.

a)

system of equations

b)

function

c)

graph

d)

solution of a system

41.

Is (-2,4) a solution to the system?

a)

Solution

b)

Not a solution

42.

Is (0,0) a solution to the system?

a)

Solution

b)

Not a solution

43.

Which system of inequalities is shown?

a)

y ≥ -x - 1
y < x + 4

b)

y < -x - 1
y ≥ x + 4

c)

y > -x - 1
y ≥ x + 4

d)

y > -x - 1
y ≥ x + 3

44.

what is the resulting combined equation for the system below?

9x + y = 12

-9x + y = 6

a)

-18x = 18

b)

y = 18

c)

2y= 18

d)

18x + 2y = 18

45.

what does the top equation need to be multiplied by to create a zero pair?

2x - 6y = 20

2x + 5y = -11

a)

-1

b)

1

c)

-2

d)

2

46.

A boy has seven more nickels than quarters. The total value of the coins is $4.90. Which system could be used to find out how many nickels and quarters he has?

a)

b)

c)

d)

47.

What is the y-coordinate to the system of equations below?

-4x + y = 4

4x - 3y = 12

a)

y=3

b)

y=8

c)

y=-3

d)

y=-8

48.

a)

b)

c)

d)

49.

A customer at a store paid $64 for 3 large candles and 4 small candles. At the same store, a second customer paid $4 more than the first customer for 1 large candle and 8 small candles. The price of each large candle is the same, and the price of each small candle is the same.

Which system of equations can be used to find the price in dollars of each large candle, x, and each small candle, y?

a)

4y = 3x + 64

8y = x + 68

b)

4y = 3x + 64

8y = x + 60

c)

3x + 4y = 64

x + 8y = 68

d)

3x + 4y = 64

x + 8y = 60

50.

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes. Which system of equations represents the situation?

a)

3x + 2y = 315
2x + 4y = 450

b)

3x + 2y = 450
2x + 4y = 315

c)

2x + 2y = 315
3x + 4y = 450

51.

On Monday Joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50. It turns out that the doughnuts were more popular than the coffee. On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25. Which equations could be used to determine the cost of the coffee?

a)

10c + 5d = 14.25
5c + 10d = 16.50

b)

10c + 5d = 16.50
5c + 10d = 14.25

c)

c + d = 10
5c + 10d = 16.50

d)

c + d = 5
5c + 10d = 16.50

52.

Dennis mowed his next door neighbor’s lawn for a handful of dimes and nickels, 80 coins in all. Upon completing the job he counted out the coins and it came to $6.60. Which system of equations could be used to find the exact number of dimes and nickels?

a)

d + n = 6.60
.10d + .05n = 80

b)

d + n = 80
d + n = 6.60

c)

d + n = 80
.10d + .05n = 6.60

d)

d + n = 80
.05d + .10n = 6.60

53.

Last season two running backs on the Steelers football team rushed a combined total of 1550 yards. One rushed 4 times as many yards as the other. Let x and y represent the number of yards each individual player rushed. Which system of equations could be used?

a)

x + y = 1550

y = 4x

b)

x + y = 1550

y = x + 4

c)

y - x = 1550

y = 4x

d)

y = 1550 + x

y = x + 4

54.

The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Which equations represents the system that could be used?

a)

1s + 3c = 38

2s + 3c = 52

b)

3s + 1c = 38

3s + 2c = 52

c)

s + c = 38

s + c = 52

d)

3s + 3c = 38

1s + 2c = 52

55.

At a restaurant the cost for a breakfast taco and a small glass of milk is $2.10. The cost for 2 tacos and 3 small glasses of milk is $5.15. If a system of equations is written, which would be the correct representation of the 2 variables?

a)

t: # of tacos
m: # of glasses of milk

b)

t: Cost of each taco
m: Cost of each glass of milk

c)

t: total cost
m: # of food items

d)

t: Cost of each glass of milk
m: Cost of each taco

56.

Caitlin won a bag full of money! She has 49 bills in all. She counts $1430. There are twenty dollar bills and fifty dollar bills. How many of each bill does Caitlin have? Which system best represents the situation?

a)

x + y = 1430
20x + 50y = 49

b)

x + y = 49
10x + 5y = 1430

c)

x + y = 49
20x + 50y = 1430

d)

x + y = 49
x + y = 1430

57.

Your family goes to a restaurant for dinner. There are 6 people in your family. Some order the chicken dinner for $14.80, and some order steak for $17. If the total bill was $91, which system best represents the situation?

a)

x + y = 6
14.80x + 17y = 91

b)

x + y = 91
14.80x + 17y = 6

c)

x + y = 6
14.80y + 17x = 91

d)

x + y = 91
14.80x+ 17y = 6

58.

The talent show committee sold a total of 530 tickets in advance. Student tickets cost $3 each and the adult tickets cost $4 each. If the total receipts were $1740, which system could be used to find how many of each type of ticket were sold?

a)

S + A = 530
3S + 4A = 1740

b)

S + A = 530
4S + 3A = 1740

c)

S + A = 1740
3S + 4A = 530

d)

S + A = 1740
4S + 3A = 530

59.

Nancy went to the grocery story. On Monday she purchased 4 apples and 6 bananas for a total of $13. On Wednesday she purchased 3 apples and 7 bananas for a total of $13.50. Which system of equations represents the situation?

a)

4x + 6y = 3
13.5x - 13y = 6

b)

x + y = 4
x - y = 6

c)

4x + 6y = 13
3x + 7y = 13.5

d)

4x - 6y = 13
3x - 7y = 13.5

60.

Amy sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56. Adam sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60. What is the price of 1 pack of sugar cookies and 1 pack of oatmeal cookies?

a)

Sugar Cookies $5
Oatmeal Cookies $3

b)

Sugar Cookies $4
Oatmeal Cookies $8

c)

Sugar Cookies $2
Oatmeal Cookies $6

d)

Sugar Cookies $3
Oatmeal Cookies $6

61.

At a college bookstore, Carla purchased a math textbook and a novel that cost a total of $54, not including tax. If the price of the math textbook, t, is $8 more than 3 times the price of the novel, n, which system of linear equations could be used to determine the price of each book?

a)

t + n = 54
t = 3n + 8

b)

t + n = 54
n = 3t + 8

c)

t + n = 54
t = 3n - 8

d)

t + n = 8
t = 3n + 54

62.

Factor:
x² + 5x - 24

a)

(x - 8)(x + 3)

b)

(x + 8)(x - 3)

c)

(x + 6)(x - 4)

d)

(x + 12)(x - 2)

63.

Factor:

x² + 11x + 24

a)

(x + 6)(x + 4)

b)

(x + 12)(x + 2)

c)

(x - 8)(x - 3)

d)

(x + 8)(x + 3)

64.

3v² - 8v + 5

a)

(3v + 5)(v - 1)

b)

(3v - 5)(v + 1)

c)

(3v - 5)(v - 1)

d)

(3v + 5)(v + 1)

65.

Factor:
x²- 25

a)

( x + 5 ) ( x - 5 )

b)

( x - 5 ) ( x - 5 )

c)

( x + 5 ) ( x + 5 )

d)

Prime

66.

Factor:
25x²- 100y²

a)

( 5x - 10y) (5xy + 10y)

b)

( 5x - 10y)²

c)

Prime

d)

( 5x - 50y) (5x + 50y)

67.

Factor 4x² - 81

a)

(4x - 9)(x + 9)

b)

(2x - 9)(2x + 9)

c)

(2x - 9)(2x - 9)

d)

(4x - 1)(x + 81)

68.

Factor

k^2+7k+10

.

a)

$(k+2)(k-5)$

b)

$(k+2)(k+5)$

c)

$(k+10)(k+4)$

d)

$(k-2)(k-5)$

69.

Factor $k^2-2k-24$

a)

$(k-4)(k+6)$

b)

$(k+4)(k+6)$

c)

$(k+6)(k-1)$

d)

$(k+4)(k-6)$

70.

Factor x²-2x-15

a)

(x+5)(x-3)

b)

(x-5)(x-3)

c)

(x-5)(x+3)

d)

(x+5)(x+3)

71.

Factor the quadratic expression:

2b² + 17b + 21

a)

(b + 1)(b + 2)

b)

(b + 3)(b + 7)

c)

(2b + 3)(b + 7)

d)

(7b + 3)(2b + 1)

72.

What is the domain of the function shown?

a)

All real numbers

b)

$y>0$

c)

All real numbers greater than 1

d)

$y<0$

73.

What is the range of the function shown?

a)

All real numbers

b)

$y>0$

c)

All real numbers greater than 1

d)

$y<0$

74.

What is the y-intercept of the function?

a)

2

b)

3

c)

1

d)

-2

75.

Is the pictured graph growth, decay, or linear or none?

a)

Exponential Growth

b)

Exponential Decay

76.

Is the following function and example of decay or growth?

f(x)=2(0.85)^x

a)

Exponential Decay

b)

Exponential Growth

77.

What type of function is y = 7(5/4)^x?

a)

Exponential Growth

b)

Exponential Decay

78.

What type of function is $f\left(x\right)=3\ •\ 5^{-x}$ ?

a)

Exponential Growth

b)

Exponential Decay

79.

What type of function is f(x)=2(1/7)^x ?

a)

Exponential Growth

b)

Exponential Decay

80.

Which represents exponential decay?

a)

A

b)

B

c)

C

d)

D

81.

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

a)

Increasing

b)

Decreasing

82.

Is the pictured graph increasing, decreasing, or neither?

a)

Increasing

b)

Decreasing

c)

Neither

83.

What is the x-intercept of the exponential function?

a)

(0,1)

b)

(0,0)

c)

There is not one

84.

In an exponential function, what does the 'a' represent?

a)

SLOPE

b)

RATE OF CHANGE

c)

Y-INTERCEPT

d)

COMMON RATIO

85.

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

a)

2

b)

4

c)

(2)^x

d)

8

86.

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

a)

2

b)

4

c)

(2)^x

d)

8

87.

Is the graph linear, exponential or neither?

a)

Linear

b)

Exponential

c)

Neither

88.

True or False: This is an exponential function.

a)

True

b)

False

89.

True or False: This is an exponential function.

a)

True

b)

False

90.

What is the initial value of the situation represented by f(x)=0.05(2)^x?

a)

0.05

b)

2

c)

0.1

d)

1

91.

Which variable represents time passed in the function y=ab^x?

a)

y

b)

a

c)

b

d)

x

92.

This is the horizontal line which the values of the function cannot fall below :

a)

Asymptote

b)

Growth Factor

c)

Axis of symmetry

d)

Curve

93.

Bacteria growing can be represented by which of the following?

a)

Exponential Growth

b)

Exponential Decay

94.

Is the following function an example of decay or growth?

f(x) = 2(1.25)^x

a)

Exponential Growth

b)

Exponential Decay

95.

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

a)

(.27)^x

b)

.27

c)

13

d)

3.51

96.

Which function will show exponential behavior?

F(x) = (4.3)^x

or

G(x) = 4.3x + 9

a)

F(x)

b)

G(x)

c)

both

d)

neither

97.

Jack wants to know how high the soccer ball will get if he kicks it straight up in the air.

Which one are we looking for?

a. x at vertex

b. y at vertex

c. positive zero

a)

x at vertex

b)

y at vertex

c)

positive zero

98.

Lily wants to know how long her toy rocket will be in the air after she lights the fuse to launch it from a 1.5-foot launch pad.

Which one are we looking for?

a. x at vertex

b. y at vertex

c. positive zero

a)

x at vertex

b)

y at vertex

c)

positive zero

99.

Nancy is trying to find how many seconds it will take a golf ball to get to its highest point after being hit on the golf course.

Which one are we looking for?

a. x at vertex

b. y at vertex

c. positive zero

a)

x at vertex

b)

y at vertex

c)

positive zero

100.

Bill is wondering how long it will take a football to hit the ground after Tom Brady throws it during practice.

Which one are we looking for?

a. x at vertex

b. y at vertex

c. positive zero

a)

x at vertex

b)

y at vertex

c)

positive zero

101.

Sally threw a ball in the air. Sally’s friend wanted to find out how high the ball got given that it took 1 second to get to its highest point.

Which one are we looking for?

a. x at vertex

b. y at vertex

c. positive zero

a)

x at vertex

b)

y at vertex

c)

positive zero

102.

Ray found the maximum height of a basketball thrown from half court to be 21 feet and wants to know how long it took to get there.

Which one are we looking for?

a. x at vertex

b. y at vertex

c. positive zero

a)

x at vertex

b)

y at vertex

c)

positive zero

103.

The height of a water balloon that is launched into the air is given by h(t) = -5t² + 40t + 2. From what height was the balloon released?

a)

2 meters

b)

5 meters

c)

40 meters

d)

20 meters

104.

The height of a water balloon that is launched into the air is given by h(t) = -5x²+20x+25. When will the balloon explode on the ground?

a)

5 seconds

b)

1 second

c)

2 seconds

d)

3 seconds

105.

Rafael drops a ball from a third-story window. This equation represents the approximate height, h, in meters, of the ball above the ground after it falls for t seconds.

h = -5t² + 45

When is the ball at ground level?

a)

only at t = 0 seconds

b)

only at t = 3 seconds

c)

only at t = 9 seconds

d)

at both t = 0 seconds and t = 3 seconds

106.

A ball is thrown into the air with an upward velocity of 40ft/s. Its height h in feet after t seconds is given by the function :

h(t) = -16t² + 40t + 10

How many seconds does it take the ball to reach its maximum height?

a)

1.25 seconds

b)

1.4 seconds

c)

2.5 seconds

d)

2 seconds

107.

Heather dropped a water balloon over the side of her school building from a height of 80 feet. The approximate height of the balloon at any point during its fall can be represented by the following quadratic equation:

h = -16t² + 80

About how long did it take for the balloon to hit the ground?

a)

1.73 seconds

b)

2.24 seconds

c)

2.45 seconds

d)

2.83 seconds

108.

The profit from selling local ballet tickets depends on the ticket price. Using past receipts, we find that the profit can be modeled by the function:

p= -15x² +600x +60

What is the maximum profit you can make from selling tickets?

a)

$6060

b)

$20

c)

$600

d)

$10,250

109.

You jump off a 24 foot high cliff and your fall is modeled by the function:

h(t) = -16t² + 8t + 24

When would you reach 16 feet above the water?

a)

8 seconds

b)

1 second

c)

1/2 second

d)

1/4 second

110.

A diver is standing on a platform above the pool. He jumps form the platform with an initial upward velocity of 8 ft/s. Use the formula: h(t) = −16 t² + 8t + 24

How high is the platform?

a)

.25 ft

b)

24 ft

c)

25 ft

d)

8 ft

111.

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

a)

13

b)

12

c)

11

d)

10

112.

Find the mean of these numbers:
2, 57, 38, 42, 6

a)

29

b)

38

c)

50

d)

145

113.

To find the _________ you add up all the numbers and then divide by how many numbers you have.

a)

Mean

b)

Median

c)

Mode

d)

Range

114.

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

a)

Mean

b)

Median

c)

Mode

d)

Range

115.

Find the median.
12, 5, 9, 18, 22, 25, 5

a)

9

b)

8

c)

12

d)

18

116.

A data set can have more than one mode

a)

True

b)

False

117.

A data set can have more than one median?

a)

True

b)

False

118.

Find the Mean of:
8, 14, 32, 6, 15

a)

15

b)

175

c)

75

d)

12

119.

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

a)

3.33

b)

2.85

c)

3

d)

3.5

120.

If there is an even number of data in the data set how do you find the median?

a)

order the data and find the middle value

b)

order the data add the 2 middle values and divide by 2

121.

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

a)

9

b)

5

c)

3

d)

7

122.

Find the mean:
28, 18, 19, 18, 17

a)

20

b)

18

c)

11

d)

19

123.

What is the mean?

a)

# happening the most

b)

the number in the middle

c)

biggest-smallest

d)

the average

124.

Find the mode of this data set:

67, 74, 95, 98, 98, 99, 102

a)

90.4

b)

35

c)

92

d)

98

125.

The temperature in Michigan City on this date in the last ten years were: 68, 68, 69, 70, 72, 70, 68, 75, 55, 67. What is the mean temperature on this date over the last ten years? (Round to nearest whole number.)

a)

60

b)

61

c)

68

d)

69

126.

What does point C on the box plot represent?

a)

First Quartile

b)

Median

c)

Third Quartile

d)

Mean

127.

What do points B and D represent on the box plot?

a)

Mean and Mode

b)

Mean and Median

c)

Least and Greatest Value

d)

First and Third Quartiles

128.

What do points A and E represent on the box plot?

a)

Mean and Mode

b)

Mean and Median

c)

Least and Greatest Value

d)

First and Third Quartiles

129.

What is the median of this data set?

a)

8

b)

12

c)

15

d)

19

130.

What is the least and greatest value of this data set?

a)

6 and 8

b)

6 and 19

c)

8 and 15

d)

15 and 19

131.

What is the range of this data set?

a)

6

b)

12

c)

13

d)

19

132.

What is the minimum value?

a)

64

b)

58

c)

66

d)

60

133.

What value is the lower quartile?

a)

66

b)

58

c)

60

d)

64

134.

6. Which city has a higher median?

a)

Millersburg

b)

Arcadia

135.

What is the median?

a)

biggest- smallest

b)

average

c)

the middle #

d)

# that happens the most

136.

What is the upper quartile of the set of data; 2, 4, 6, 6, 7, 8, 10

a)

4

b)

6

c)

8

d)

2

137.

What is the median of this set of data?

a)

8

b)

4

c)

5.5

d)

15

138.

Which statement is true?

a)

Airplane A has a lesser median

b)

Airplane B has a greater range

c)

Airplane A has a less predictable flight length

d)

Airplane B a lesser IQR

139.

Find First quartile Q1

a)

20

b)

30

c)

35

d)

45

140.

Find the Median

a)

98

b)

93

c)

78

d)

85

141.

Find the Minimum

a)

98

b)

85

c)

68

d)

93

142.

Find the Maximum

a)

68

b)

98

c)

85

d)

93

143.

Which has a Median of 1?

a)

Zach

b)

Steven

c)

They both have a median on 1

144.

What is the median of the set of data?

a)

30

b)

40

c)

45

d)

50

145.

What is the range of the set of data?

a)

70

b)

65

c)

80

d)

55

146.

Find the equation of the line of best fit for the given data

a)

y = 163.41x+1.49

b)

y =- 163.41x+ 4.19

c)

y =- 4.19x+163.41

d)

y = 4.19x -163.41

147.

Which sentence describes the relationship shown on this scatter plot?

a)

As the temperature decreases, the visitors increase.

b)

As the temperature increases, the number of visitors increases.

c)

As the visitors increase, the temperature decreases.

d)

No correlation

148.

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

a)

y = $\frac{3}{2}$ x + 12

b)

y = 12x + $\frac{3}{2}$

c)

y = $\frac{2}{3}$ x - 8

d)

y = -8x + $\frac{2}{3}$

149.

The linear model to represent the distance (in miles) traveled given the time (in hours) driving is

m=-1.79+61.93h

. Predict how far a person will travel driving 10 hours.

a)

617.51 miles

b)

621.09 miles

c)

100 miles

d)

0.19 miles

150.

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)

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

Extra Credit Math 1

Total questions: 150

Worksheet time: 9hrs 59mins

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