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Unit 1 Test Prep

Total questions: 63

Worksheet time: 3hrs 0mins

Name
Class
Date
1.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
2.
Is this table a function or not a function? 
a)
Function
b)
Not a Function
3.
a)
Function
b)
Not a Function
4.
Choose the best answer that describes the image.
a)
Function
b)
Relation
c)
Function and Relation
d)
Neither a relation nor a function
5.
A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.  What is the independent variable?
a)
Paper used
b)
Number of paper clips
c)
Distance of flight
d)
Type of paperclip
6.

the variable that can be manipulated/changed (hint: it's attached to the slope)

a)

Independent Variable

b)

Dependent Variable

c)

Function Notation

d)

Ordered Pairs

7.
a)

Vertical Line Test

b)

Ordered Pairs

c)

Mapping Diagram

d)

Function Notation

8.
Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)
a)
Yes
b)
No
9.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
10.

The domain of a function is the same as the set of independent variables.

a)

True

b)

False

11.
A(n) _____________ variable depends on or is changed by another variable.
a)
dependent
b)
independent
12.
Name the INDEPENDENT variable from the table below.
a)
words
b)
minutes
13.

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.


t = the number of treats

s = the number of students


Which of the variables is INDEPENDENT?

a)

s

b)

t

14.

Sophie earned $5 for every A she got on her report card.


m = money

A = A on report card


The dependent variable is:

a)

m = money

b)

A = A on report card

15.
Which graph is linear?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
16.
Is the function Linear or Nonlinear?
a)
Linear
b)
Nonlinear
17.
Which graph depicts a nonlinear function?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
18.
Is the equation linear or nonlinear?
a)
Linear
b)
Nonlinear
19.
Is the function Linear or Nonlinear?
a)
Linear
b)
Nonlinear
20.
Is function represented by the table linear or nonlinear?
a)
linear
b)
nonlinear
21.
Is function represented by the table linear or nonlinear?
a)
linear
b)
nonlinear
22.

Is the table linear or nonlinear?

a)

Linear

b)

Nonlinear

23.

Is this function linear or nonlinear?

a)

Linear function

b)

Nonlinear function

24.
Is the representation linear or non-linear? 
a)
Linear
b)
Non-Linear
25.
The graph represents gasoline consumption when driving a certain distance in km.  What is the meaning of the slope?
a)
The tank started with 50 L of gasoline
b)
the amount of gasoline consumed per km driven
c)
the distance it takes to lose a Liter of gas
d)
the gasoline is leaking because the slope is negative.
26.
What does the slope mean in the context of the problem?
a)
The cost will increase by $1.40 per topping
b)
The cost will decrease by $1.40 per topping
c)
The cost will increase by $1.90 per topping
d)
The cost will decrease by $1.90 per topping 
27.
At what rate did the rain fall?
a)
2 cm per hour
b)
1/4 cm per hour
c)
1/2 cm per hour
d)
4 cm per hour
28.
Which statement matches the graph?
a)
Taylor can write 6 words per minute
b)
Taylor can write 25 words per minute
c)
Taylor can write 50 words per minute
d)
Taylor can write 150 words per minute
29.

An online music service lets customers download an unlimited number of songs for $0.25 each after paying a monthly membership fee of $5.00. The total amount of money a customer spends on music in dollars in a single month can be found using the function y = 0.25x + 5. What does the variable x represent in this function?

a)

The total amount of money the customer spends on music each month

b)

The number of songs the customer downloads each month

c)

The number of customers that use the music service

d)

The cost of downloading one song

30.

Janice is saving money for retirement. The equation y = 500x + 12,000 models her retirement savings where y is the total she has saved in dollars, and x is the number of months.


Interpret the y-intercept.

a)

Janice started with $500 in her account

b)

Janice started with $12,000 in her account

c)

Each month, Janice saves an additional $500

d)

Each month, Janice saves an additional $12,000

31.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
32.

Given f(x) = x2 - 1, what is the value of f(10)?

a)

100

b)

19

c)

99

d)

9

33.

Let

h(x)=13−5xh\left(x\right)=13-5x   What is h(5)=h\left(5\right)=  ?

a)

h(5)=12h\left(5\right)=12  

b)

h(5)=3h\left(5\right)=3  

c)

h(5)=−2h\left(5\right)=-2  

d)

h(5)=−12h\left(5\right)=-12  

34.

If f(x) = 2x + 1, what would be your first step to find f(1)?

a)

Plug a 1 in for all the x's

b)

Set the function equal to 1

c)

Only plug a 1 into the left side

d)

Only plug a 1 into the right side

35.
Graph. y = -4
a)
a
b)
b
c)
c
d)
d
36.

Graph 2x - y = 4

a)

A

b)

B

c)

C

d)

D

37.

Graph. 

y=23x−3y=\frac{2}{3}x-3  

a)

a

b)

b

c)

c

d)

d

38.
Graph x+y=3
a)
A
b)
B
c)
C
d)
D
39.
Find the slope
a)
-2/3
b)
3/2
c)
-3/2
d)
2/3
40.
Find the slope
a)
5/2
b)
-5/2
c)
2/5
d)
-2/5
41.

Find the slope of the line. 

(a)  

42.

Find the slope of the line.

(a)  

43.

What is the slope of the line?

y=−8x+4y=-8x+4  

a)

(0,4)

b)

(4,0)

c)

-8

d)

8

44.

What is the slope of the line?

y=x+5y=x+5  

a)

5

b)

1

c)

(1,0)

d)

(0,5)

45.

What is the y-intercept in the following equation: y=-4x-5

a)

-4

b)

-4x

c)

5

d)

-5

46.

Determine the slope and y-intercept from the following equation: y = 3/2x + 3

a)

slope: 5

y-intercept: (0,3)

b)

slope: 3/2

y-intercept: (0,3)

c)

slope: 4

y-intercept: (0,3/2)

d)

slope: 1/5

y-intercept: (0,5)

47.

What is the slope in the equation: y=4x+3

a)

3

b)

4x

c)

4

d)

x

48.

What is the y-intercept in the equation y= -2x + 5

a)

-2

b)

3

c)

5

d)

Cannot be Determined

49.
What is the meaning of the y-intercept?
a)
The hamburger will cost $1.90 without any toppings.
b)
The hamburger will cost $1.40 without any toppings. 
c)
The cost of the hamburger is $1.90 with one topping
d)
The cost of the hamburger doesn't change no matter how many toppings there are.
50.

2, 5, 8, 11, 14

What's the explicit equation?

a)

f(n) = 2 + 3(n-1)

b)

f(n) = n + 3

c)

f(n) = f(n-1) +3

d)

f(n) = f(n+3)

51.

What does a1 represent?

a)

Any term

b)

First term

c)

Last term

52.
Arithmetic sequences involve
a)
multiplication and division
b)
multiplication and addition
c)
addition and subtraction
d)
subtraction and division
53.

This is an arithmetic sequence. 5, 2, –1, –4, . . .

What is a7 ?

a)

-13

b)

-11

c)

-18

d)

-22

54.

Find a4a_4  for the sequence 2, 9, 16, 23, 30,...

a)

16

b)

23

c)

4

d)

30

55.
Find the 22nd term of the following sequence:
5, 8, 11, ...
a)
14
b)
68
c)
63
d)
71
56.
Find the 32nd term of this sequence.
34, 37, 40, 43, ...
a)
32
b)
64
c)
127
d)
356
57.
The number of orange Skittles in a bag. 
a)
Discrete
b)
Continuous
58.
The time it takes for a light bulb to burn out. 
a)
Discrete
b)
Continuous
59.
Discrete or Continuous?
a)
Discrete
b)
Continuous
60.
Is the graph pictured discrete or continuous?
a)
Discrete
b)
Continuous
61.

Describe the meaning of the rate of change for this graph.

a)

for every 2 hours, the temp goes up by 1 degree

b)

the temp increases 2 degrees every hour

c)

the temp increases 1 degree every 2 hours

62.
What does the slope represent in this situation?
a)
The sloth runs 1 feet in 3 minutes
b)
The sloth runs 3 feet in 1 minute
c)
The sloth runs fast
d)
The sloth runs 6 feet in 1 minute
63.

Which statement below accurately represents the graph?

a)

$100 is earned for each hour worked

b)

$100 is earned for every 2 hours worked

c)

$500 is earned for every 8 hours worked

d)

$200 is earned for every 3 hours worked

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