3.2 review

Identify the like terms in the expression: 3x + 5y - 2x + 7.

• 3x and -2x

• 5y and 7

• -2x and 7

• 3x and 5y

Combine the like terms: 4a + 3b - 2a + 6b.

• 2a + 6b

• 2a + 9b

• 5a + 3b

• 4a + 9b

Combine the like terms: 6x + 2y - 4x + 3y.

• 6x + 5y

• 2x + 5y

• 4x + 2y

• 2x + 3y

Simplify the expression: 8a - 3b + 2a + 5b.

• 6a + 3b

• 8a + 8b

• 10a + 2b

• 10a - 3b

Identify the like terms in the expression: 9x + 4y - 5x + 2y.

• 9x, -5x and 4y, 2y

• 5x, 4y and 9y, -2x

• -9x, 5x and 4y, 2y

• 9x, 4y and -5y, 2x

Combine the like terms: 10m - 4n + 3m + n.

• 10m + 4n

• 13m - 3n

• 7m - 5n

• 13m + n

• 2m

• -2m

• 4m

• -4m

• 8n

• -8n

• 20n

• -20n

• 5+3d

• 5-3d

• 5+12d

• 5-12d