Operations in Polynomials

5(a + 6)

• 5a + 6

• a + 30

• 5a + 30

• 5a - 30

6 (x + y + 7)

• 6x + 6y + 42

• 12xy + 42

• 6x + 6y + 7

• 6x6y + 42

• 6x+6
• 5x+18
• 6x+12
• 6x+18

Simplify the expression by using the Distributive Property:

8(2x + 7)

• 16x + 7

• 16x + 56

• 16x + 15

• 8x + 7

Write an expression in simplified form to represent the area of the rectangle.

Mathematical Equivalence

OFF

Which polynomial is written in standard form?

• -3x + 8x² + 9x³ - 11

• 9x³ + 8x² - 3x - 11

• 8x² + 9x³ -11 - 3x

• -11 - 3x + 8x² + 9x³

What is the coefficient of this term?

9x³

• None

• 9

• 3

• x

What does it mean to distribute?

• To multiply the numbers inside the parentheses by the number on the outside.

• To add all of the numbers together.

• To do the order of operations.

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4