7GEN SBQ1 Revision Pt1

Like terms have the same _____ and the same _____.

• variables and numbers
• signs and numbers
• variables and exponents
• variables and signs

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

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

What is 2x + x?

• 2x²
• 2x
• 3x
• 5x

The additive invers of -11 is?

• 11

• -11

• 0

• 10

The additive inverse of 9 is?

• 0

• 1

• -9

• -10

Can you simplify 3x + 7?

• Yes, you can add 3 and 7
• Yes, you can add 1x and 7
• No, you can't add them because they don't have like terms

What are the like terms in the expression
(2x + 3) + (x + 4)

• 2x and 4, and 3 and x
• 2x and x, 3 and 4
• x and 4, and 2x and 3
• There are no like terms

Find (2x-1) + (x-5)

• 3x + 6
• 3x - 6
• 2x² - 6
• 2x + (-6)

Find (-3x + 9) - (8x - 7)

• -11x + 16

• -5X + 16

• -11x + 2

• 11x - 2

(5x - 2y) - (-6x + 5y)

• 11x + 3y

• -x + 3y

• 11x - 7y