Expressions Quiz 2

A letter that represents a number is called a _____.

• variable

• coefficient

• constant

• term

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

Simplify by combining like terms:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify.

3x - 5x =

• 2x

• 8x

• -2x

• 15x²

w + w + w could be simplified as?

• 3w
• 3
• w
• 0

Simplify the expression:

-3c + 5r -7r + 8c + 23 - 3r -12

• 5c -5r + 11

• 5c - 15r - 35

• -5c + 5r + 35

• 11c -15r + 11

Which is equivalent to 2(x+4)

• 2x+8

• 2x+4

• 2+4x

• 4x + 8

Which expression is equivalent to 5x-45

• 5(x-45)

• 5(x+45)

• 5(x-9)

• 5(x+9)

Which expression is NOT equivalent to 9y + 4 - 6y?

• 15y +4

• 7y - 4y + 2(2)

• 4 + 3y

• 3y+4

Simplify the expression. CHOOSE 2 ANSWERS.

3x + 5 - 7x

• 10x +5

• 5 - 10x

• -10x + 5

• 15 + x