Polynomials

Which is a list of all the roots of x³ + 3x² = 28x

• {-7, 0, 4}

• {-4, 0, 7}

• {-7, 0, -4}

• {4, 0, 7}

A quintic polynomial has, at most, how many turning points

• 3

• 4

• 5

• 6

What is the degree of the polynomial, 7x⁴ + 3x² - x⁶ + 4

• 4

• 2

• 6

• 7

What is the value of the y - intercept of 2x + 4y = 1 (show your work)

• 1/4

• 1/2

• 1

• -2

Which binomial is a factor of 2x⁴ - 11x³ + 19x² -13x + 3? (show your work)

• x-2

• x-3

• x+1

• x+2

Identify all possible roots for f(x) = x³ + 3x - 6x -8

• +/-3, +/-6

• +/-2, +/-3, +/-6

• +/-1, +/-8

• +/-1, +/-2, +/-4, +/-8

Factor f(x) = x³ + 3x² - 6x -8 and list all zeros (show your work)

• 1, -2, 4

• 1, 4

• -1, 2, -4

• -1, -4

Identify the degree of the polynomial and the sign of the leading coefficient 

• Leading Coefficient Positive
  Degree - Even
• Leading Coefficient Positive
  Degree - Odd
• Leading Coefficient Negative
  Degree - Even
• Leading Coefficient Negative
  Degree - Odd

Which function is graphed?

• (x - 4)(x + 2)(x - 8)=0
• (x - 4)(x - 2)(x + 8)=0
• (x - 4)(x + 2)(x + 8)=0
• (x + 4)(x + 2)(x + 8)=0

Tags

CCSS.HSA.APR.B.3

Is the leading coefficient positive or negative

• positive
• negative