Equations and Inequalities Diagnostic

Evaluate: 5m + 9n if m = -7 and n = 4

• 71

• 1

• -1

• -71

Simplify the expression

-7w² + 2w if w = -4

• 104

• -64

• -120

• 120

If f(x)=4x+5, find f(4)= .

• 21

• -11

• -31

• 25

Six less than twice a number.

• 6 – 2x

• 6 – x²

• 2x – 6

• x² – 6

Four times the difference of a number squared and six.

• 4(2x – 6)

• 4(x² – 6)

• 4(2x + 6)

• 4(x² + 6)

• x⁴(x² - 5x - 24)

• (x - 8)(x + 3)

• x⁴(x - 8)(x + 3)

• (x³ - 8)(x³ +3)

Classify by number of terms:
3x² – 8x + 1

• Monomial
• Binomial
• Trinomial
• 4-Term Polynomial

Add the polynomials:
(2x+5y) + (3x-2y)

• 3x + 5y
• 5x + 3y
• 5x + 7y
• 7xy + 1xy

Simplify:

(4x²+x) - (x²+2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x