Forward Exam Reviewexpressions and equations

Which of the following are true about an equation?

• Contains an equal sign

• May contain variables

• Has many solutions

• Shows two expressions are equal

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

• 4

• x

• 2 and 3

• 2, 4, and 3

Which of the following are expressions? (Select all that apply.)

• 3x + 4

• twelve is three more than nine

• the difference of x and 8

• 2y

4(p - 6)

• -4p - 24
• 4p + 24
• 4p + 24
• 4p - 24

• 35x+7
• 35x-1
• 35x-7
• -35x-7

4(k + 7)

• 4k + 28
• 4k - 28
• -4k + 28
• 4k - 28

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

When solving 234 + N =389, what operation would you use to find the answer

• multiplication
• addition
• subtraction
• division

Which expression represents the phrase "eight fewer than the product of a number x, and four"?

• 8 - 4x

• 4x - 8

• x + 4 - 8

• 4x ÷ 8

Evaluate using correct order of operations

12 - 2 ⋅ 4

• 4

• 46

• 40