Prealgebra Like Terms Adding Exponents

In order to combine one or more terms together they must have....

• The same number

• The same variable

• The same variable and exponent

• The same exponent

What is the coefficient in the following expression?

3x + 7

• 3

• x

• 7

• 3x + 7

How many terms are in this expression?

2x + 3y - 4x + 3

• 2

• 4

• 3

• 1

What is the constant of this expression?

7x - 4y - 9

• 7

• 7x

• 9

• -9

Variable terms are called "variable" because:

• they are pretty.
• they never change.
• they vary (change).
• they don't have letters.

Simplify:
3x - 2x - x

• 6x
• x
• 0
• 5x

Simplify the following expression:

3 + 5x + 8 - 2x

• -3x² - 11

• 3x² + 11

• -3x + 11

• 3x + 11

Which expression is equivalent to
v + v + v + v + v?

• 5v
• v⁵
• v + 5
• v5

Which expression is equivalent to:
d + d + d + 3 + 2

• 3d + 5
• d + 5
• 2d + 7
• 3d + 4

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²