Evaluating and Simplifying Expressions

x+16+9x is equivalent to what expression?

• 9(x+2)

• 2(5x+8)

• x(10+6)

• 4(2x+4)

Mr. Soldo has two less than twice as many girlfriends as Mr. Aday. What expression show how many girlfriends Mr. Soldo has?

• 3g+2

• 2g+2

• 2g-2

• 2+g-2

Kelsi draws six pictures per hour. She gives away four pictures every day. What expressions shows how many pictures she keeps at the end of the day?

• 6h-4

• 6+h+4

• 65h+4

• 6/h-4

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

Simplify the following expression:
-6x + 4(-x - 3)

• -2x - 12

• 10x + 12

• -10x - 12

• -2x + 12

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y

• 3x, 9x

• 3x, -9x

• 3x, -9x, 2x²

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42

• 46

• 34

• 58

r(r – 9)
r = 11

• 12

• 22

• 44

• 99

2q + 3
q = 5 

• 11

• 15

• 17

• 13