Algebra 2: Review of Test 1

What are the factors of expression x² + x − 20?

• (x + 5) and (x + 4)

• (x + 5) and (x − 4)

• (x − 5) and (x + 4)

• (x − 5) and (x − 4)

Which expression is equivalent to x² + 5x − 6

• (x + 3) (x − 2)

• (x + 2) (x − 3)

• (x − 6) (x + 1)

• (x + 6) (x − 1)

Keith determines the zeros of the function f (x) to be −6 and 5. What could be Keith's function?

What is the constant term of the polynomial 4d + 6 + 3d^2?

• 2

• 4

• 6

• 3

What are the roots of the equation x² − 7x + 6 = 0?

• −1 and 7

• 1 and 7

• −1 and −6

• 1 and 6

Which statement is correct about the polynomial? 3x² + 5x − 2?

• It is a third-degree polynomial with a constant term of −2

• It is a third-degree polynomial with a leading coefficient of 3

• It is a second-degree polynomial with a constant term of 2

• It is a second-degree polynomial with a leading coefficient of 3.

Given 3 is a root of f(x) 5 x4 2 x3 2 21x2 1 45x, what are the other unique roots of f(x)?

Which polynomial has a leading coefficient of 4 and a degree of 3?

• 3x⁴− 2x² + 4x − 7

• 2x + x² + 4x³

• 4 + x − 4x² + 5x³

• 4x⁴− 3x³ + 2x²

Tyler incorrectly says that the constant term of (𝑥+4)(𝑥−4)(x+4)(x−4) is zero.

What is the correct constant term?

• 4

• -4

• -16

• 8

• (m - 8)(m - 8)

• (m - 8)(m + 8)

• (m - 16)(m +4)

• (m +16)(m - 4)