Unit 3: Working with polynomials

Which of the following is a factor of the polynomial: x² + 8x + 7

• (x + 8)
• (x + 1)
• (x - 7)

Factor the polynomial: r² - 16v²

• (r + 16v)(r - 16v)
• (r - 4v)(r + 4v)
• (r - 4v)(r - 4v)

Find the sum: (8x³ + 10x² - 5x) + (7x² - 3x + 3)

• 8x³ + 17x² + 8x + 3
• 8x³ + 17x² - 8x + 3
• 15x² + 13x + 8x

Tags

CCSS.HSA.APR.A.1

Find the difference: (7x² - 8x + 1) - (3x³ + 5x² - 2)

• 4x² - 3x -1
• 3x³ + 2x² - 8x - 1
• -3x³ + 2x² - 8x + 3

Tags

CCSS.HSA.APR.A.1

Find the product: (x + 3)(x² - 4x + 1)

• x³ - x² - 11x + 3
• x³ + 7x² + 13x + 3
• x³ - x² + 11x - 3

Find the product: (x + 3)(x - 7)

• x² - 10x - 21
• x² + 4x - 4
• x² - 4x - 21

Which of the following is equivalent form of m(x) = x² - 16x +15.

• m(x) = (x - 15)(x + 1)
• m(x) = (x - 8)² - 49
• m(x) = (x + 15)(x + 1)
• m(x) = (x + 8)² - 49

Which function is not equivalent to g(x) = x² - 3x - 18

• g(x) = (x - 6)(x - 3)
• g(x) = (x - 6)(x + 3)
• g(x) = (x - 1.5)² - 20