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unit 4 & 5 MA review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which set of ordered pairs is a function?

a)

(0, 1), (1,2), (1, 3), (3, 4)

b)

(0, 1), (0, 2), (0,3), (0,4)

c)

(0,1), (1, 2), (1, 2), (2, 3)

d)

(0, 1), (1, 2), (2, 3), (2, 4)

2.

Which of the following is NOT a function?

a)
b)
c)
d)
3.

Sara is taking pictures this weekend. If she follows the table, how many appointments will she have completed (output) after 12 hours of taking pictures (input)?

a)

6

b)

12

c)

18

d)

24

4.

An exterminator charges $25 a month plus a one time initial fee of $175. This is represented by the equation

y = $25x + 175.

How much would you pay for an entire year's service?

a)

$475

b)

$150

c)

$200

d)

$325

5.

Which of the following has a greater rate of change?

a)
b)
c)

y = 25x + 60

d)

y = -50x + 5

6.

Which representation describes a different relation?

a)
b)
c)
d)
7.

Identify the range for the following function.


(0, 7), (9, 0), (18, -7), (27, -14)

a)

0, 9, 18, 27

b)

7, 0, -7, -14

c)

(0, 7), (9, 0)

d)

(18, -7), (27, -14)

8.

Identify the two tables that represent the following function...

y = 4x - 2

a)
b)
c)
d)
9.

Which of the following is a linear equation?

a)

y = 2x2 + 4y\ =\ 2^{ }x^2\ +\ 4

b)

y = 4x − 6y\ =\ \frac{4}{x}\ -\ 6

c)

y = x4 − 2y\ =\ \frac{x}{4}\ -\ 2

d)

y = x + 4y\ =\ \sqrt{x\ +\ 4}

10.

Which statement best describes the following table?

a)

The table is not linear because all values are positive.

b)

The table is linear because as x increases by 5, y increases by 1.

c)

The table is linear because all values are positive.

d)

The table is linear because as x increases by 1, y increases by 5.

11.

Which of the following tables does NOT represent a linear function?

a)
b)
c)
d)
12.

Which of the following is true about a linear function?

a)

A linear function makes a curved line anywhere on the graph.

b)

A linear function makes a curved line in quadrants 3 and 4.

c)

A linear function makes a straight line in quadrants 3 and 4 only.

d)

A linear function makes a straight line anywhere on the graph.

13.

What is the slope of this line?

a)

undefined

b)

0

c)

3

d)

2

14.

Which of the following graphs best represents the relationship of a car loan that begins with $18,000?

a)
b)
c)
d)
15.

Which graph matches the following equation?

y = 4x + 4

a)
b)
c)
d)
16.

Find all representations of the following...


multiply by 1/2 and add 2

a)
b)
c)
d)
e)

y = 1/2x + 2

17.

Based on the similar triangles in the picture, what is the slope of the line?

a)

−32-\frac{3}{2}

b)

32\frac{3}{2}

c)

−64-\frac{6}{4}

d)

64\frac{6}{4}

18.

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

(7, 0) (5, 2)

a)

2

b)

-2

c)

1

d)

-1

19.

What is the slope of the table?

a)

-3

b)

1

c)

13\frac{1}{3}

d)

−13-\frac{1}{3}

20.

Identify the slope and y-intercept of the line.

a)

slope = -2

b)

slope = -1

c)

y-intercept is -1

d)

slope = 1

e)

y-intercept = 1