Chapter 3 Review

simplify:

-3 (a + 3)

• 3a - 9

• -3a + 9

• 3a + 9

• -3a - 9

Simplify:

(x + 10) (-2)

• -2x + 20

• -2x - 20

• 2x - 20

• 2x + 20

simplify:

-10 (-3x - 5y)

• 30x - 50y

• -30x - 50y

• 80xy

• 30x + 50y

simplify:

0.5 (u - 6)

• 0.5u + 6

• 0.5u + 3

• 0.5u - 6

• 0.5u - 3

3 (9 + 2y - 3z)

• 27 + 6y - 9z

• 24xyz

• 27 + 6xy - 9zx

• 27x + 6x - 9x

How many terms are in the algebraic expression?

2y + x + 4

• 4

• 3

• 5

• 2

Identify a constant in the expression
3x + 2y + 7

• 3
• 2y
• 7
• 2

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Simplify:

3 - 2a + 3a + 5a

• 5a+3
• 5a-3
• 6a + 3
• 8a+3