Free Printable Creating Exponential Equations

1.

What is the y-intercept?

a)

0

b)

5

c)

1

d)

2

2.

What is the y-intercept?

a)

0

b)

25

c)

1

d)

2

3.

The following graph shows the population growth for a species. What is the growth factor? Hint: What do you have to multiply by to get from one point to the next?

a)

2

b)

1/2

c)

4

d)

1/4

4.

Write the equation for the following graph.

a)

y = 25(2)^x

b)

y = 2(25)^x

c)

y = 25(1/2)^x

d)

y = 2(1/25)^x

5.

For which equation/graph is (5,1215) a solution?

a)

Species X

b)

Species Y

6.

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

a)

2

b)

4

c)

(2)^x

d)

8

7.

Which function represents the table of values?

a)

f(x) = 4x

b)

f(x) = x³

c)

f(x) = 4^x

d)

f(x) = 4^x-1

8.

What is the equation for the table?

a)

y = 4(2)^x

b)

y = 2(4)^x

c)

y = 2(8)^x

d)

y = -2(4)^x

9.

Write the equation for the table?

a)

y = 2(20)^x

b)

y = -2(20)^x

c)

y = 20(2)^x

d)

y = 20(.5)^x

10.

Write the exponential equation that represents the given graph.

a)

$y=3\cdot4^x$

b)

$y=3\cdot9^x$

c)

$y=3+9x$

d)

$y=3+4x$

11.

Write the exponential equation that represents the given graph.

a)

$y=12-0.5x$

b)

$y=12\cdot0.5^x$

c)

$y=12\cdot2^x$

d)

$y=12-6x$

12.

Write the exponential equation that represents the given table.

a)

$y=80\cdot4^x$

b)

$y=80\cdot\frac{1}{4}^x$

c)

$y=80-60x$

d)

$y=80+\frac{1}{4}x$

13.

The following graph shows the population growth for a species. What is the growth factor? Hint: What do you have to multiply by to get from one point to the next?

a)

3

b)

1/3

c)

9

d)

1/9

14.

Write the exponential equation that represents the given table.

a)

$y=2\cdot1^x$

b)

$y=1x+2$

c)

$y=2+1.5x$

d)

$y=2\cdot1.5^x$

15.

Who are they?

a)

Spongebob and Patrick

b)

Max and Ruby

c)

Phineas and Ferb

d)

Phineas and Pherb

Creating Exponential Equations

Total questions: 15

Worksheet time: 32mins

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