Unit 4 Test Questions

Last updated almost 3 years ago
21 questions
7.1 Multiplying Exponents
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The area of a circle is found using the following formula where r represents radius. Find the area of a circle with a radius of 5x.

7.2 Dividing Exponents
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7.3 Rational Exponents
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Write in radical form.

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Write in exponential form.

7.3 Rational Exponents (Part 2)
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Write in radical form.

7.5 Exponential Functions
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What is the y-intercept, domain and range?

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Which is an exponential function, f(x) or g(x)?

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Which has a constant rate of change, f(x) or g(x)?

7.6 Growth and Decay
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Which equation represents exponential decay?

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A certain fast-growing bacteria increases 6% per minute. If there are 500 bacteria now, how many will there be 10 minutes later?

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A city’s population is about 124,000 and is decreasing at an annual rate of 0.2%. Write an equation that represents the population after 10 years?