Untitled Quiz

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

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

3x-5x

• 2x
• 8x
• -2x
• 15x²

A constant term has ______.

• no exponents
• no variables
• no numbers
• no letters

A coefficient is __________.

• the variable
• a constant
• an exponent
• the number that comes before the variable

Simplify by combining like terms.
m + 9 - 4m

• 5m
• m + 5m
• -3m + 9
• 4m

Solve 4n - 2n = 4.

• 2

• 4

• 6

• 8

Solve 2 + 5x + 2x = -12.

Solve 3 = x + 3 - 5x.

• x = -6

• x = 0

• x = -1

• x = 6

• 15

Expand and simplify 4(7x + 3).

• 28x + 12

• 28x + 3

• 47x + 12

• 47x + 3