IM3 module 9 flashcard

Flashcard
•
Mathematics
•
11th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rational expression?
Back
A rational expression is a fraction where the numerator and the denominator are both polynomials.
2.
FLASHCARD QUESTION
Front
How do you divide rational expressions?
Back
To divide rational expressions, multiply the first expression by the reciprocal of the second expression.
3.
FLASHCARD QUESTION
Front
What does it mean for an expression to be undefined?
Back
An expression is undefined when the denominator equals zero.
4.
FLASHCARD QUESTION
Front
How do you find excluded values in a rational expression?
Back
Set the denominator equal to zero and solve for the variable.
5.
FLASHCARD QUESTION
Front
What is the solution to the equation x + 3 = 0?
Back
x = -3.
6.
FLASHCARD QUESTION
Front
What is the solution to the equation 2x - 6 = 0?
Back
x = 3.
7.
FLASHCARD QUESTION
Front
What is the solution to the equation 3x + 9 = 0?
Back
x = -3.
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