
Simplifying Rational Expressions

Interactive Video
•
Mathematics
•
8th - 10th Grade
•
Hard
Standards-aligned

Sophia Harris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a rational expression?
A fraction where both numerator and denominator are integers.
A fraction where both numerator and denominator are polynomials.
A fraction where the numerator is a polynomial and the denominator is an integer.
A fraction where the numerator is an integer and the denominator is a polynomial.
Tags
CCSS.HSA.APR.D.7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true about the denominator of a rational expression?
It can be any real number.
It must be a positive integer.
It must be a polynomial of degree one.
It cannot be zero.
Tags
CCSS.HSA.APR.D.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in simplifying a rational expression?
Factor the numerator and denominator completely.
Multiply the numerator and denominator by a common factor.
Add the numerator and denominator.
Divide the numerator by the denominator.
Tags
CCSS.HSA.APR.D.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When simplifying a rational expression, what can be canceled?
Only the coefficients of the terms.
Common factors in the numerator and denominator.
Only the variables in the terms.
Any terms in the numerator and denominator.
Tags
CCSS.HSA.APR.D.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with 10x^3y^2/25x^2y^2, what is the simplified form?
x^3y^2/x^2y^2
10x/25
5x/2
2x/5
Tags
CCSS.HSA.APR.D.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't you simplify across addition in a rational expression?
Because addition is only allowed in the numerator.
Because addition is not allowed in rational expressions.
Because terms connected by addition are not common factors.
Because addition changes the value of the expression.
Tags
CCSS.HSA.APR.D.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying (x^2 - 9)/(x^2 - 5x + 6)?
(x + 3)/(x - 2)
(x - 3)/(x - 2)
(x - 3)/(x - 5)
(x + 3)/(x - 3)
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