Check for understanding - 10.2 Multiply Polynomials by Monomial

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

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Tags

CCSS.HSA.APR.A.1

Simplify:

• 9n³ + 4n
• 7n³ + 6
• -3n³ + 2
• 7n⁶ + 6

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CCSS.HSA.APR.A.1

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Tags

CCSS.HSA.APR.A.1

When multiplying a monomial and a polynomial, the key is ....

• multiply the coefficients & add the exponents

• add the coefficients & multiply the exponents

• a nice, sharp pencil

Tags

CCSS.HSA.APR.A.1

Multiply:

3a(5a² + 8a + 2)

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CCSS.HSA.APR.A.1

Multiply
x²(2x+3)

• x²+2x+3

• 2x+3

• 2x²+3x

• 2x³+3x²

Tags

CCSS.HSA.APR.A.1

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

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴

Tags

CCSS.HSA.APR.A.1

Multiply

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CCSS.HSA.APR.A.1

Multiply

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CCSS.HSA.APR.A.1