What is the expression for the length of the rectangle?

Understanding Rational Expressions and Simplification

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a plus 9 times a minus 3
a plus 3 times a minus 3
a squared minus 9
a squared plus 6a minus 27
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a rational expression related to a fraction?
It is unrelated to fractions.
It is a type of fraction.
It is a fraction with variables.
It is a fraction with only numbers.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in simplifying a rational expression?
Adding the numerator and denominator
Factoring the numerator and denominator
Multiplying the numerator and denominator
Subtracting the numerator from the denominator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the factored form of the expression a squared plus 6a minus 27?
a plus 9 times a minus 3
a plus 3 times a minus 3
a squared minus 9
a squared plus 9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the factored form of the expression a squared minus 9?
a plus 9 times a minus 3
a plus 3 times a minus 3
a squared plus 9
a squared minus 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What common factor can be canceled in the rational expression?
a plus 9
a minus 3
a plus 3
a squared
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the rational expression for the rectangle's dimensions?
a plus 3 over a plus 9
a plus 3 over a minus 3
a plus 9 over a plus 3
a minus 3 over a plus 3
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