Pre-Cal Test Find Roots of Polyn. using Factoring & Syn. Div

• 2

• 1

• 3

• 0

• 2

• 3

• 5

• 1

Which of these is a possible rational root of the polynomials?

x³ - 6x² - x + 30

• 0

• 4

• -9

• None of these

Find the zeros of the polynomial given one factor. Use synthetic division.

• X= 3,4,5

• x=-3,-4,-5

• x=-3,4,5

• x= 3, -4, -5

Tags

CCSS.HSF-IF.C.7C

Find all rational zeros, one zero has been given.
f(x) = x³-3x²-x+3;   3

• 2,4,3
• -1,1,3
• 3,2,1
• 4,5,6

What are the zeros in (x-5)(x+4)

• 4 and -5

• 5 and -4

• -4 and -5

• no zeros

Tags

CCSS.HSA.APR.B.2

Find the zeros of the function and graph.
y=(x + 2)(x - 3)(3x - 5)

• x=-2, x=3, x=5/3
• x=2, x=-3, x=-3/5
• x=2, x=-3, x=5/3
• x=-2, x=3, x=5

Tags

CCSS.HSF-IF.C.7C

Factor and solve:
0=x³+11x²+24x

• x=8,3
• x=-8,-3
• x=-8,-3,0
• x=0, 8, -3

Tags

CCSS.HSF-IF.C.7C

Solve by factoring:  2x³+ 7x² + 6x = 0

• x=0, x= 3/2 and x = 2
• x=0, x = -3/2 and x = -2
• x=0, x = 6 and x = 7
• x=2, x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

            Is (x-2) a factor of             f(x)= x³-8x²+14x-4?

• Yes, (x-2) is a factor. There is a remainder.
• No, (x-2) is  not a factor. The remainder is zero.
• Yes, (x-2) is a factor. The remainder is zero.
• No, (x-2) is  not a factor. There is a remainder. 

Tags

CCSS.HSA.APR.B.2