Quiz about Unit 5 Test - Functions & Linear Relationships

Question 1

What is the domain of the relation given below? {(2, -5), (4, 7), (0, 2), (9, -1)}

Accepted Answer

The domain of the relation is {0, 2, 4, 9}.

Answer

The domain of the relation is {-5, 7, 2, -1}.

Answer

The domain of the relation is {2, 7, 0, -1}.

Answer

The domain of the relation is {-9, 4, 0, 2}.

Question 2

What is the range of the relation shown on the graph?

Accepted Answer

{-6, -2, 0, 4, 5}

Answer

{-5, -2, 1, 4, 5}

Answer

{-7, -2, 0, 3, 5}

Answer

{-8, -2, 0, 4, 7}

Question 3

Which relations represent a function? .

Accepted Answer

Question 4

What is the range of the function y = 4x - 7 when the domain is {-2, -1, 3}?

*Hint, make a table of values

Accepted Answer

y: {-15, -11, 5}

Answer

y: {-15, -10, 2}

Answer

y: {-18, -3, 5}

Answer

y: {-8, -11, 5}

Question 5

What is the slope of the line graphed below?

Accepted Answer

$$\frac{1}{3}$$

Answer

3

Answer

-3

Answer

$$-\frac{1}{3}$$

Question 6

What is the slope of the line graphed below?

Accepted Answer

undefined

Answer

1

Answer

-1

Answer

0

Question 7

11. Find the slope of the line that passes through the points (-1, -3) and (-9, 7).

Accepted Answer

-5/4

Answer

1

Answer

-1

Answer

5/4

Question 8

What is the rate of change from year 2 to year 7?

Accepted Answer

1.2ft/yr

Answer

5 ft/yr

Answer

3.5 ft/yr

Answer

4.8 ft/yr

Question 9

Allie bought a used car in 2011 with 19,800 miles on it. In 2016, she decided to sale the car and it had 79,700 miles. Find the rate of change in miles from 2011 to 2016.

Accepted Answer

11,980 miles per year

Answer

9,980 miles per year

Answer

10,175 miles per year

Answer

10,760 miles per year

Question 10

Which equations represent linear functions? Check all that apply.

Accepted Answer

y = 2x + 3

Accepted Answer

y = -4x

Accepted Answer

2x+3y=7

Answer

$$y=x^2+1$$

Answer

$$y=\frac{8}{x}$$

Question 11

Which equation has a slope of 5?

Accepted Answer

y = 5x - 1

Answer

y = 5

Answer

y = 5- x

Answer

y = x + 5

Question 12

Convert the equation x + y = 3 to slope-intercept form.

Accepted Answer

Slope-Intercept Form: y = -x + 3

Answer

Slope-Intercept Form: y = x + 3

Answer

Slope-Intercept Form: y = 3x - 1

Answer

Slope-Intercept Form: y = -3 - x

Question 13

Convert the equation 5x + 2y = -14 to slope-intercept form and graph the line.

Accepted Answer

Slope-Intercept Form: y = $$-\frac{5}{2}x - 7$$

Answer

Slope-Intercept Form: y = $$\frac{5}{2}x + 7$$

Answer

Slope-Intercept Form: y = $$\frac{2}{5}x-7$$

Answer

Slope-Intercept Form: y = $$\frac{2}{5}x+7$$

Question 14

Convert the equation 2x - y = 0 to slope-intercept form and graph the line.

Accepted Answer

Slope-Intercept Form: y = 2x

Answer

Slope-Intercept Form: y = -2x

Answer

Slope-Intercept Form: y = 1/2x

Answer

Slope-Intercept Form: y = -1/2x

Question 15

Which equation best represents the line on the graph?

Accepted Answer

y = -3/2x - 4

Answer

y = 3/2x - 4

Answer

y = -2/3x - 4

Answer

y = -2/3x + 4

Question 16

Which equation best represents the line on the graph?

Accepted Answer

y = -2

Answer

x = 0

Answer

y = 0

Answer

x = -2

Question 17

An amusement park charges $8 for parking and $1.25 per ride ticket. Write an equation to represent the total cost to visit the amusement park, then find the number of rides a person can go on, if they have $30.

Accepted Answer

Equation: y = 1.25x + 8

Solution: 17 rides

Answer

Equation: y = 8x + 1.25

Solution: 20 rides

Answer

Equation: y = -1.25x - 8

Solution: 10 rides

Question 18

Which of the following represent a direct variation? Check all that apply.

Accepted Answer

y = -5x

Accepted Answer

4x - 7y = 0

Accepted Answer

y = x/3

Answer

y = 2 - x

Question 19

Which graph DOES NOT represent a direct variation?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 20

Determine whether the values in the table represent a direct variation. If yes, write an equation to represent the relationship.

Accepted Answer

Yes, the values represent a direct variation. The equation is $$y=\frac{1}{2}x$$ .

Answer

Yes, the values represent a direct variation. The equation is $$y=\frac{3}{2}x.$$

Answer

No, the values do not represent a direct variation.

Answer

Yes, the values represent a direct variation. The equation is y = x + 2.

Question 21

The property taxes on a home varies directly with the value of the home. Jack currently lives in a home worth $172,000 and pays $13,760 in taxes. What is the constant rate/k-value?

Accepted Answer

k=.08

Answer

k=12.5

Unit 5 Test - Functions & Linear Relationships

22 questions

What is the domain of the relation given below? {(2, -5), (4, 7), (0, 2), (9, -1)}

What is the range of the relation shown on the graph?

Which relations represent a function? .

What is the range of the function y = 4x - 7 when the domain is {-2, -1, 3}?
*Hint, make a table of values

What is the slope of the line graphed below?

What is the slope of the line graphed below?

11. Find the slope of the line that passes through the points (-1, -3) and (-9, 7).

What is the rate of change from year 2 to year 7?

Allie bought a used car in 2011 with 19,800 miles on it. In 2016, she decided to sale the car and it had 79,700 miles. Find the rate of change in miles from 2011 to 2016.

Which equations represent linear functions? Check all that apply.

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Unit 5 Test - Functions & Linear Relationships

22 questions

What is the domain of the relation given below? {(2, -5), (4, 7), (0, 2), (9, -1)}

What is the range of the relation shown on the graph?

Which relations represent a function? .

What is the range of the function y = 4x - 7 when the domain is {-2, -1, 3}?*Hint, make a table of values

What is the slope of the line graphed below?

What is the slope of the line graphed below?

11. Find the slope of the line that passes through the points (-1, -3) and (-9, 7).

What is the rate of change from year 2 to year 7?

Allie bought a used car in 2011 with 19,800 miles on it. In 2016, she decided to sale the car and it had 79,700 miles. Find the rate of change in miles from 2011 to 2016.

Which equations represent linear functions? Check all that apply.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

What is the range of the function y = 4x - 7 when the domain is {-2, -1, 3}?
*Hint, make a table of values