Math 9 LG 4/5 Practice Test #4

Name:

Multiple Choice
Identify the choice that best completes the statement or answers the question.

Which of the following expressions are polynomials?

ii)

iii)

iv) 3.5

i, iii, and iv

ii and iv

i, ii, and iii

i, ii, and iv

Identify the polynomials that can be represented by the same set of algebra tiles.

i)
ii)
iii)
iv)

iii and iv

i and iv

ii and iv

i and ii

From the list, which terms are like -7x²?
7x², 7x, 6x², -7, -5, -7x, -3x²

a.	7x², 7x, -7, -7x	c.	7x², 7x, -7x
b.	7x²	d.	7x², 6x², -3x²

Add:

a.		c.
b.		d.

Subtract:

a.		c.
b.		d.

Subtract:

a.		c.
b.		d.

Which polynomial is represented by the following model?

a.		c.
b.		d.

Short Answer

Identify the polynomials that can be represented by the same set of algebra tiles.

ii)

iii)

iv)

10.

Combine like terms. Sketch algebra tiles if it helps.

11.

Group like terms.

12.

Add:

13.

Write the perimeter of this rectangle as a polynomial in simplest form.

14.

Subtract:

15.

Subtract:

Problem

16.

a) Group like terms, then simplify.

b) Write a different polynomial that simplifies to the answer in part a.

17.

Add.

18.

Subtract:

Show your work.