Name:    Lesson 1 - Modelling with Polynomials

1.

What does the 2 represent in this polynomial?

5x2 4x + 3

 a. constant term c. coefficient of x b. degree d. variable

2.

What does the 3 represent in this polynomial?

3a2 + 7ab 4b + 6

 a. constant term c. coefficient of a2 term b. variable d. degree

3.

What does the k represent in this polynomial?

5k + 9

 a. variable c. degree b. constant term d. coefficient

4.

Which is not a polynomial?
 a. 3x + 7y - 4xy c. -4x2yz3 b. -2x2 + 5x - 3 d. Match the polynomial with the corresponding situation.
 a. 2r - 5 c. 12h - 75 b. 7 + 3w

5.

The length of a rectangle is 7 more than 3 times the width.

6.

Casey earns \$12 an hour. He saves \$75 from his earnings every week.

7.

The height of a cylinder is 5 less than double the radius.

8.

Which polynomial represents the perimeter of this shape? a. 10x + 26 c. 5x + 13 b. 5x - 13 d. 10x - 26

9.

Which polynomial represents the area of the shape in question 8?
 a. 13x2 + 61x c. 13x2 - 61x b. 6x2 - 31x d. 6x2 + 31x

10.

What is the perimeter of the shape in question 8 for x = 2?
 a. 28 units b. 46 units c. 16 unit d. 32 units