Simpliying Expressions

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

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

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

• -2x - 12
• 10x + 12
• -10x - 12
• -2x + 12

What is the variable? 8x + 15

• 8X

• x

• 15

• +

the product of x and sixteen

• x + 16
• x - 16
• 16x
• x/16

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m
• 8m - 4
• 8m + 4
• 4m - 8

Write a verbal expression for:
2a+6

• 6 more than the product of 2 times a
• 6 less than the product of 2 times a
• 6 more than the quotient of 2 and a
• twice the sum of a and 6

Which algebraic expression represents
 "six less than a number"?

• 6/k
• k/6
• 6 - k
• k - 6