Calculating Roots of Polynomials Algebraically

• 2

• 1

• 3

• 0

• 2

• 3

• 5

• 1

Find all the real zeros of the function 
f(x) = 2x³ - 19x² + 38x + 24 given that x-4 is a factor.

• x = 1/2, -6
• x = -1/2, 6
• x = 4, -1/2, 6
• x = -4, 1/2, -6

Tags

CCSS.HSA.APR.B.2

Find the roots of 0=x³-4x²+2x-8

• ±2,4
• ±2i,4
• ±i√2,4
• ±√2,4

Find all rational zeros, one zero has been given.
f(x) = x³-5x²-2x+24;   -2

• -2,1,0
• -2,-3,-4
• 4,3,-2
• 0,0,0

One zero of 4x³-17x²-150x-189 is 9.
What is another zero?

• 4
• 7
• -3
• -6

What is the range of the function?

• [-1, +∞)
• (-1,1)
• [1.5, +∞)
• (-2, 2)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• (-∞, ∞)
• [-2, 2]
• (-2, 2)
• [-5, 5]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain and the range for the graph?

• Domain : -2 ≤ x ≤ 2
  Range : 0 ≤ y ≤ 4
• Domain : 0 ≤ x ≤ 4
  Range : -2 ≤ y ≤ 2
• Domain : All real #s
  Range : y ≤ 4
• Domain : -2 ≤ x ≤ 2
  Range : y ≤ 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

For the pictured polynomial, which of the following is the absolute max?

• (-3, -2)
• (0, 3)
• (2, 0)
• (4, 1)