Linear Functions - Assessment

1.

Multiple Choice

30 sec

1 pt

In the equation, y = mx + b, the letter b is the ___________.

y-intercept

x-intercept

slope

rate of change

2.

Multiple Choice

30 sec

1 pt

What is the slope of the equation?
y = -3x + 4

-3

3

4

-4

3.

Multiple Choice

2 mins

1 pt

Which is the graph of y= -x + 2?

A

B

C

D

4.

Multiple Choice

5 mins

1 pt

What type of slope does the graph have?

Zero

Undefined

Negative

Positive

5.

Multiple Choice

30 sec

1 pt

Is the relation a function? Why.

Yes, because the x-value 11 has two y-values pair with it.

Yes, because each x-value has only one y-value paired with it.

No, because the x-value 11 has two y-values pair with it.

No, because each x-value has only one y-value paired with it.

6.

Multiple Choice

20 sec

1 pt

Function

Not a Function

7.

Multiple Choice

1 min

1 pt

Is this graph a function or not a function?

Function

Not a Function

8.

Multiple Choice

1 min

1 pt

Is this mapping a function or not a function?

Function

Not a Function

9.

Multiple Choice

1 min

1 pt

Bob has $150 in his savings account and saves $40 per month. Which function models his savings?

y = 150 + 40

y = 40x + 150

y = 150x + 40

10.

Multiple Choice

30 sec

1 pt

A golf course charges $15 to rent golf clubs and charges $25 per round to play. Write an equation to represent the total cost, T, for one player.

T = 15 + 25r

T = 15g + 25r

T = 40 r

T = 15r + 25

11.

Multiple Choice

15 mins

1 pt

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

D: {1, -3, -4,}
R: {0, 1, 2, -4}

D:{-4, 0, 1, 2}
R:{-4, -3, 1}

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

12.

Multiple Choice

3 mins

1 pt

Evaluate f(-4) for the function f(x)=3x²-5

f(-4) = 43

f(-4) = 139

f(-4) = -52

f(-4) = -149

13.

Multiple Choice

2 mins

1 pt

What is the domain of the graph shown?

{-2, -1, 0, 1, 2, 3, 4}

{2, 3, 4}

2 ≤ y ≤ 4

-2 ≤ x ≤ 4

14.

Multiple Choice

1 min

1 pt

What is the range of the following graph?

all real numbers

all integers

any real number greater than zero

it can not be determined

15.

Multiple Choice

30 sec

1 pt

6

-6

14

-14

16.

Multiple Choice

30 sec

1 pt

Find f(2)

5

4

3

0

17.

Multiple Choice

30 sec

5 pts

_{What is the y-intercept of the line?}

(0,¹/₂)

(0,1)

(0, ^-1/2)

(0, -1)

18.

Multiple Choice

30 sec

1 pt

^{What is the x- intercept of the line?}

(1, 0)

(2, 0)

( -1, 0)

(-2, 0)

19.

Multiple Choice

2 mins

5 pts

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

(8, 0)

(0, 8)

(3, 0)

(0, 3)

20.

Multiple Choice

1 min

1 pt

What is the y-intercept in the equation x + 2y = 4

(0, 0)

(0, 2)

(4, 0)

(2, 0)

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