Quiz 4 - First Grading

Which of the following shows the expression (x+1)(x+1)(x+2) as a polynomial in standard form?

• (x + 1)² (x+2)

• x³ + 4x² + 5x + 2

• x³ + 3x² + 4x + 2

• x³ +5x² + 4x + 2

Which binomial is Not a factor of x³ + 6x² + 11x + 6?

• x + 1

• x + 2

• x + 3

• x + 6

Which of the following is a factor of 6x² - x - 1?

• 2x - 1

• 3x - 1

• x + 1

• 6x + 1

Which expression is the factored form of x³ + 2x² - 5x - 6?

• (x + 3)(x + 1)(x - 2)

• (x - 3)(x - 1)(x + 2)

• (x + 2)(x + 6)(x - 1)

• (x - 3)(x + 1)(x - 2)

What are the zeros of the polynomial function y = (x - 1)(2x + 1)(x - 3)?

• -3, 1/2, 2

• -1/2, 1, 3

• -1, -2, 1/2

• 1, 3, 1/2

Which polynomial function has zeros at 3, 5 and -4?

• f(x) = (x + 3)(x - 5)(x + 4)

• g(x)= (x - 3)(x + 5)(x - 4)

• h(x)= (x + 3)(x - 5)(x - 4)

• p(x)= (x - 3)(x - 5)(x + 4)

Which of the following has a remainder 0 when divided by x - 3?

• x³ + 3

• x³ + 27

• x³ - x² - 7x + 3

• x³ + 3x² - 3x + 3

If P(x) = x³ + 2x² - 3x + 4, then what is P(3)?

• 0

• 20

• 30

• 40

What is the remainder when P(x) = x⁴ - 4x³ + x - 6 is divided by x -4?

• -2

• -1

• 5

• 7

What is another factor of x³ - 7x² + 4x - 28 if x - 7 is a factor?

• x² + x + 4

• x² - 2x - 4

• x² - x - 4

• x² + 4