Find Roots of Polynomials
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
no, 3 is not a zero of f(x)
yes
no, 2 is not a zero of f(x)
no, -3 is not a zero of f(x)
Tags
CCSS.HSF-IF.C.7C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a zero of a polynomial function has multiplicity 2 that means:
The x intercept is at (2, 0)
The graph will "bounce back" at that zero
The graph will "pass through" at that zero
Zeros cannot have multiplicity of 2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is another word for zeros?
solutions
x -intercepts
roots
All of the these!
Tags
CCSS.HSF-IF.C.7C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given f(x) = 3x3-4x2-28x-16. Which number below is zero of f(x)?
8
-2
6
1
Tags
CCSS.HSF-IF.C.7C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If f(x) = 2x3-13x2+36, is x = 6 an x-intercept?
No, because f(6) = 30
Yes, because f(6) = 0
Yes, because f(6) = 30
No, because f(6) = 0
Tags
CCSS.HSF-IF.C.7C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the zeros of the polynomial.
f(x) = (x-5)(2x+3)(7x-4)(x+6)
x = 5, (2/3), 6, (7/4)
x= -5, (3/2), (-4/7), 6
x= 5, (-3/2), (4/7), -6
x= 6, 5, -2/3, -4/7
Tags
CCSS.HSF-IF.C.7C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find all zeros.
x= 3,1,1/3
x= -3, -1, -1/3
x = -3, 1, 1/3
x = 3, -1, -1/3
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