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Identify Linear Quadratic Exponential Equations

Total questions: 25

Worksheet time: 36mins

Name
Class
Date
1.

Put these functions in order from least to greatest based on their Y-INTERCEPT.

a)

B C A

b)

B A C

c)

C A B

d)

C B A

2.

Which statement below is TRUE regarding the two functions?

a)

Both functions are linear

b)

Both functions are increasing

c)

Both functions have a y-intercept of 1

d)

Both functions are exponential growth

3.
Is the equation linear, exponential, or quadratic?
y = 2x+ 4
a)
Linear
b)
Exponential
c)
Quadratic
d)
None of the above
4.
Is the graph linear, exponential or neither?
a)
Linear
b)
Exponential 
c)
Neither
5.
Is the graph linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
6.
Is the table linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
7.
Is this table linear, quadratic, exponential, or none of the above?
a)
linear
b)
quadratic
c)
exponential
d)
none of the above
8.
Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation for the total cost of x pounds of fruit from the orchard.
a)
y = 3x + 2.5
b)
y = 2.50x + 3
c)
y = 2.50x 
d)
y = 3x + 2.50
9.
What type of function is f(x) = 2(x+4)2-7?
a)
exponential decay
b)
linear
c)
exponential growth
d)
quadratic
10.
What type of function best models the situation: A zombie virus has infected the population and the number of infected people triples every day.
a)
linear
b)
quadratic
c)
exponential growth
d)
exponential decay
11.
Which function is linear?
a)
f(x)
b)
h(x)
c)
g(x)
12.

A bank account balance earning an annual interest rate.

a)

Linear

b)

Quadratic

c)

Exponential

13.

Which function best models the amount of money you earn when you get paid an hourly wage?

a)

Linear

b)

Quadratic

c)

Exponential

14.

Which function best models the height and speed of throwing a ball in the air?

a)

Linear

b)

Quadratic

c)

Exponential

15.
Which situation is linear?
a)
A sample of bacteria doubles every hour
b)
The number of cars each hour on the road for a week
c)
The cost of a movie ticket increases by 5% every year
d)
The population of a town is increasing by ten people every year
16.

What type of function best models the situation:

A zombie virus has infected the population and the number of infected people triples every day.

a)

Linear

b)

Quadratic

c)

Exponential growth

d)

Exponential Decay

17.

Which statement below is TRUE regarding the functions pictured?

a)

Both functions have a y-intercept of 3

b)

Both functions are increasing

c)

Both functions are linear

d)

Both functions have a MULTIPLYING pattern

18.

How would you describe the rate of change of these functions?

a)

Both functions have constant rate of change because they are exponential.

b)

Both functions have a variable rate of change because they are both exponential.

c)

A has a constant rate of change because it is linear and B has a variable rate of change because it's exponential

d)

A has a constant rate of change because it is quadratic and B has a variable rate of change because it's exponential

19.

Which function is exponential?

a)

A

b)

B

c)

C

20.

What type of function describes the story below?You have $5 and triple your money every day.

a)

Linear

b)

Quadratic

c)

Exponential

21.

Which function would best represent each ink cartridge purchased for a printer costs $12.

a)

Linear

b)

Quadratic

c)

Exponential

22.
Give the domain and range. Tell if it is a function.
a)
D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Function
b)
D: {-4, -2, 0, 2}
R: {-2, 1}
Function
c)
D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function
d)
D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function
23.

Practice 2: Which model is appropriate given the points (-3, 8), (-1, 6), (0, 5), (2, 3), (3, 2)? Why?

a)

Exponential because it curves.

b)

Linear because it has a constant slope.

c)

Quadratic because it has a minimum.

d)

Infinite because it keeps going.

24.

Choose all the equations that are exponential:

a)

y = 6x -5

b)

y = 8x - 9

c)

f(x) = 3x2 + 4

d)

y = 1/3x

e)

y = 7x3

25.

Write the function that best models the table?

a)

y = (1/4)x

b)

y = 4x

c)

y = 4x

d)

y = (1/4)x

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