Algebra 2 Unit 3

The table shows a population increasing exponentially. Write an equation for p(y).

If college tuition is increasing 4% each YEAR, is it increasing 40% in a DECADE?

• No, 4% x 4% x 4% .... = 1.04¹⁰

• Yes, 4% x 10 years = 40%

In a pond, the area that is covered by algae doubles each week. When the algae was first spotted, the area it covered was about 15 square meters.

Which expression represents the area covered by algae 1 day after it was spotted.

• Yes

• No

Which quadratic expression is written in standard form?

The height of a rock launched straight up in the air is given by the function and the graph. Time is measured in seconds and height in feet. What is the approximate maximum height of the rock?

• 5 feet

• 20 feet

• 16 feet

• 11 feet

The height of a rock launched straight up in the air is given by the function and the graph. Time is measured in seconds and height in feet. About how many seconds did it take for the rock to hit the ground?

• 5 seconds

• 20 seconds

• 16 seconds

• 1.5 seconds