Polynomial Zeros and Multiplicity Factoring

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

What are the solutions to the polynomial:  p(x)=(2x-1)(x² +3x +1) 
(Hint: Use quadratic formula for x²+3x+1)

• x=1/2, (-3+√5)/2, (-3-√5)/2

• x=1/2, (3+√5)/2, (3-√5)/2

• x=-1/2, (-3+√5)/2, (-3-√5)/2

• x=-1/2, (3+√5)/2, (3-√5)/2

Tags

CCSS.HSF-IF.C.7C

What are the roots of the polynomial function?
y = (x + 2)(x - 7)³

• -2, 7 multiplicity 3

• -2, 7, 3

• 2, -7 multiplicity 3

• 2, -7, 3

Tags

CCSS.HSF-IF.C.7C

Write the cubic polynomial in factored form with 
zeros -1, 1, and 4

• (x + 1) (x - 1) (x - 4)

• x³ - 4x² - x + 4

• (x + 1) (x - 1) (x + 4)

• x³ - 4x² - x - 4

Tags

CCSS.HSA.APR.B.3

What does multiplicity of a zero mean?

• Look at the number of terms

• How many times the zero repeats

• Find the sum of all the coefficients

• Ratio your x and y

Tags

CCSS.HSF-IF.C.7C

• 2

• 1

• 4

• 3

Tags

CCSS.HSF-IF.C.7C

Tags

CCSS.HSF-IF.C.7C

Which zero has an odd multiplicity?

• -4

• 4

• 2

• -2

Tags

CCSS.HSA.APR.B.2

• 1

• 2

• 3

• 4

Tags

CCSS.HSF-IF.C.7C