Polynomial Zeros and Multiplicity Factoring
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
1
4
3
Tags
CCSS.HSF-IF.C.7C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSF-IF.C.7C
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