Unit 1BC Test Review ODD #s
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Used 1+ times
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22 questions
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1.
MATH RESPONSE QUESTION
10 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
Find the GCF of the numerator, then find the GCF of the denominator.
On top, it should have been 2(x+3).
On the bottom, it should have been 4(x+3).
(x+3) cancels out (x+3), leaving us with 2/4 or 1/2.
2.
MATH RESPONSE QUESTION
10 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
Find the GCF of the numerator:
4(x+1)
Factor the denominator:
(x+3)(x+1).
Cancel what you can.
3.
MATH RESPONSE QUESTION
10 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
Find the GCF for both numerators:
9(x+2) and 3(x-4)
Factor the denominator on the left:
(x-4)(x+2)
Cancel what you can.
4.
MATH RESPONSE QUESTION
10 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
Remember: Keep, Change, Flip!
Factor the left numerator:
(x+8)(x-3)
Factor the right numerator: (x-9)(x+1)
Find the GCF of the left denominator: 2(x+1)
Find the GCF of the right denominator: 3(x+8)
Cancel what you can.
5.
MATH RESPONSE QUESTION
10 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
First, factor out a GCF:
2(x^4-5x^2-36)
Then factor the difference of perfect squares!
6.
MATH RESPONSE QUESTION
10 mins • 1 pt
Mathematical Equivalence
ON
Answer explanation
Factor by grouping!
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Answer explanation
The numerator factors to become
(x-9)(x+5)
The denominator factors to become
(x+6)(x+5)
Cancel what you can.
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