Algebra 2 Lesson 8.4 - 8.5 Quiz Review

Use y=200(1.3)^x.

What is the initial amount?

• 260

• x

• 1.3

• 200

Use y=200(1.3)^x.

What is the percent change?

• 1.3%

• 30%

• 130%

• 13%

Use h(t)=6000(0.795)^t.

What is the growth factor?

• 6000

• t

• 0.795

• 4770

Use h(t)=6000(0.795)^t.

Does this model growth or decay?

• growth

• decay

Use g(t)=1.4(3)^t.

What is the growth factor?

• 200%

• 300%

• 2%

• 3%

Write an exponential function which models the following situation:

the marketing department predicts a company's annual sales of $500,000 will grow by 6% each year.

• f(f) = 500,000(1 + 6)^t

• f(f) = 500,000(1)^0.06

• f(f) = 500,000(0.06)^t

• f(f) = 500,000(1 + 0.06)^t

Convert to logarithmic form.

6³=216

• log₆216=3

• log₂₁₆6=3

• log₃216=6

• none of the above

Convert to logarithmic form.

x^b=k

• log_b x=k

• log_x b=k

• log_x k=b

• None of the above

Convert to exponential form.

log_b 6=13

• 6¹³=b

• b^6=13

• b¹³=6

• None of the above

Evaluate.

log₄64

• 2

• 3

• 4

• 6