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Solving Polynomial Equations (Trial)

Authored by Rhonda Chisholm

Mathematics

12th Grade

CCSS covered

Used 5+ times

Solving Polynomial Equations (Trial)
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is another way to say "where a function crosses the x-axis"?

x-intercept
zero
root
all of these.

Tags

CCSS.HSF-IF.C.7C

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Let f(x) = 3x2 - 9x +2.
Is k = -3 a zero of the function? (Prove by using synthetic division.

yes
no

Tags

CCSS.HSA.APR.B.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factor:
 f(x) = x3-12x2+47x-60=0 when 5 is a zero. (so f(5) = 0)

(x-3)(x-4)(x-5)=0
(x+1)(x-4)(x-5)=0
(x-3)(x-4)(2x-5)=0
(x-5)(x-4)(x-5)=0

Tags

CCSS.HSA.APR.B.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the proper way to write the answer for the following problem? 

2x3-x2-25x-12
2x4-x3-25x2-12x+0

Tags

CCSS.HSA.APR.D.6

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are the three factors for
 (x3 +7x2 +7x -15) ÷ (x -1)?

(x-1) (x+5) (x-3) 
(x-1) (x+5) (x + 3) 
(x+1) (x+5) (x-3) 
(x+1) (x-5) (x-3) 

Tags

CCSS.HSA.APR.B.2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

f(x)=(x+4)(x-3)(x-2)
List the zeros for this function.

x=-4, x=3, x=-2
x=-4, x=3, x=2
x=-4, x=3, x=2
x=4, x=3, x=2

Tags

CCSS.HSF-IF.C.7C

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are the x-intercepts of the polynomial
y = 3 (x + 4) (x + 1) (x - 3)?

-4, -1, 3
3, -3, 4, 1
4, 1, -3
3, -4, -1, 3

Tags

CCSS.HSF-IF.C.7C

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