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Lesson 4.2/3 Adding, Subtracting, and Multiplying Polynomials

Last updated over 1 year ago

11 questions

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Question 1

1.

Perform the indicated operation. Write the result in standard form.

Question 2

2.

Perform the indicated operation. Write the result in standard form.

Question 3

3.

Perform the indicated operation. Write the result in standard form.

Question 4

4.

Perform the indicated operation. Write the result in standard form.

Question 5

5.

Water is being pumped into two tanks at variable rates. The volume of water in Tank A is modeled by
and the volume of water in Tank B is modeled by
where t is the time in minutes since the tanks started to be filled. The volume is measured in gallons.

Write an expression to model the total amount of water in tanks A and B after t minutes. How much water is in both tanks after 3 minutes?

Question 6

6.

Using the integers -9 to 9, at most one time each, fill in the boxes to make a true statement.

Question 7

7.

Find the product

Question 8

8.

Find the product

Question 9

9.

Find the product

Question 10

10.

The number of students enrolled at a college is modeled by
and the average tuition paid per student (in thousands of dollars) is modeled by
In both models, t represents the number of years since 2010. Write a function R(t) to model the annual revenue that the college receives from tuition payments. Then predict the revenue received in 2020.

Question 11

11.

Using the whole numbers 1 through 9, at most one time each, fill in the boxes to make a true statement.