Equations and Expressions Terms

Identify the coefficient(s) in the expression 2x + 4 - x + 3x,

• 4

• x

• 2 and 3

• 2, 4, and 3

Which of these numbers are coefficients in the following expression?
3x + 7 - 4y + 9 - 2

• 7

• -2

• 9

• 3

Which of these numbers are constants in the following expression?
8a - 9 + 4b + 12c - 6a

• 8

• 9

• 12

• -9

Which of these terms can be combined?
9a + 3b - 7 + 8a² - 3a

• 9a, -3a

• 9a, 8a²

• 3b, -7

• -7, -3a

Simplify the following expression:
8x + 9y - 10 + 4x

• 12x - y

• 12x + 9y - 10

• 11xy

• 12x² + 9y - 10

Simplify the following expression:
9(2a + 10) - 3a + 4

• 15a + 94

• 21a + 94

• 15a + 23

• 21a + 23

Factor the following expression completely:
16x + 24

• 10(6x + 14)

• 8(2x + 3)

• 8x(2 + 3)

• 4(2x + 6)

Factor the following expression completely:
20x² + 12xy - 8x

• 4(5x² + 3xy)

• x(20 + 12y - 8)

• 4x(5 + 8y - 2)

• 4x(5x + 3y - 2)

Solve for x:
x/3 + 9 = 6

• 45

• 9

• -1

• -9

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.