Factoring Polynomials
Ch. 6 Quiz
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Directions
This is a short five question multiple choice
quiz. Questions will cover the types of
factoring that we have studied earlier this
week. Try not to use your calculator, although
you may use scratch paper to work out
problems and then click on the Letter of your
choice to see if you were correct.
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1. Factor Completely
x²-13x-14
A. (x+14)(x-1)
B. (x-7)(x-2)
C. (x-14)(x+1)
D. (x+7)(x-2)
Correct
You chose the right answer! Good job!
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Incorrect
You chose the wrong answer. Here is a sample
solution to a similar problem.
X²-7x-8
-8·1=-8, when -8 and 1 are added together you
get -7. So therefore the answer is (x-8)(x+1).
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2. Factor
m²+m-90
A. (m-9)(m+10)
B. (m+9)(m+10)
C. (m+9)(m-10)
D. (m-9)(m-10)
Correct
You chose the right answer! Good job!
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Incorrect
You chose the wrong answer. Here is a sample
solution to a similar problem.
m²+m-30
Find a product that has a sum of 1. Positive 6
times negative 5 equals -30, when 6 and -5 are
added together you get 1. (m+6)(m-5)
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3.Factor
z²-49
A. (z-6)(z+7)
B. (z-7)(z+7)
C. (z+9)(z-5)
D. (z-9)(z+6)
Correct
You chose the right answer! Good job!
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Incorrect
You chose the wrong answer. Here is a sample
solution to a similar problem.
Z²-36
This equation is of a perfect square, so therefore
take the square root of 36. This is the final
answer. (z-6)(z+6)
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4.Factor by Grouping
8r³-64r²+r-8
A. (8r²-1)(r+8)
B. 8(r²+1)(r-8)
C. (8r²+1)(r-8)
D. (8r²-64)(r+8)
Correct
You chose the right answer! Good job!
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Incorrect
You chose the wrong answer. Here is a sample
solution to a similar problem.
6r³-36r²+r-6
6r²(r-6)+1(r-6)
(6r²+1)(r-6)
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5.Factor by Grouping
21k³-84k²+15k-60
A. (21k²-15)(60k+84)
B. (21k²+15)(60k-84)
C. 3(7k²-5)(k+4)
D. 3(7k²+5)(k-4)
Correct
You chose the right answer! Good job!
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Incorrect
You chose the wrong answer. Here is a sample
solution to a similar problem.
63k³-54k²+105k-90
3(21k³-18k²+35k-30)
3[3k²(7k-6)+5(7k-6)]
3(3k²+5)(7k-6)
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Congratulations!
You have finished the practice quiz. This
quiz has been sent to everyone’s email, some
of these questions may appear on tomorrows
test. If you finished the quiz early feel free to
go back and try the questions again.