Properties of
Exponents
Exponential
Functions
Exponential Growth
and Decay
Geometric
Sequences
100

Any number or expression raised to the power of zero is always equal to _______.

1

100

What is the standard form of an exponential function?

y=a(b)^x

100

What does a represent in an exponential growth or an exponential decay function?

The initial (starting) amount

100

Geometric sequences have a common _______ between consecutive terms.

Ratio

200

Simplify the expression. Write your answer using only positive exponents.

2^4*2^3

128

200

Tell whether the table represents a linear function or an exponential function. Explain.

Linear Function – as x increases by 1, y increases by 2

200

Does the following function represent exponential growth or exponential decay? Explain.

y=0.25(1.56)^t

Exponential Growth – the number is parentheses is larger than 1

200

Identify the common ratio of the following geometric sequence.

3, 18, 108, 648, . . .

r = 6

300

Simplify the expression. Write your answer using only positive exponents.

(x^5)^-3

1/x^15

300

Tell whether the table represents a linear function or an exponential function. Explain.

Exponential Function – as x increases by 4, y is multiplied by ½

300

Does the following function represent exponential growth or exponential decay? Explain.

y=–6(3/4)^t

Exponential Decay – the number in parentheses is between 0 and 1.

300

Identify the common ratio of the following geometric sequence.

144, –72, 36, –18, . . . 

r = –½

400

Simplify the expression. Write your answer using only positive exponents.

4x^0y^-3

4/y^3

400

Evaluate the following exponential function when x = 3.

y=-8(4)^x

–512

400

Identify the percent rate of change of the following exponential function.

y=0.25(1.56)^t

r = 56%

400

Write an equation for the nth term of the geometric sequence.

2, 8, 32, 128, . . .

a_n=2(4)^(n-1)

500

Simplify the expression. Write your answer using only positive exponents.

((2x^4y^2)/(5xy^6))^2


(4x^6)/(25y^8)

500

Evaluate the following exponential function when x = –4.

y=2(1/2)^x

32

500

Identify the percent rate of change of the following exponential function.

y=-6(3/4)^t

r = 25%

500

Find the 6th term of the following geometric sequence.

0.6, –3, 15, –75, . . . 

a_6= 1,875

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