Rationals Review

Rationals Review

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

2.

FLASHCARD QUESTION

Front

How do you simplify a rational expression?

Back

To simplify a rational expression, factor the numerator and denominator and eliminate common factors.

3.

FLASHCARD QUESTION

Front

What does LCD stand for in mathematics?

Back

LCD stands for Least Common Denominator, which is the smallest multiple that two or more denominators share.

4.

FLASHCARD QUESTION

Front

How do you find the LCD of 5/4 and 2/3?

Back

The LCD of 5/4 and 2/3 is 12.

5.

FLASHCARD QUESTION

Front

What is the first step in dividing rational expressions?

Back

The first step in dividing rational expressions is to multiply by the reciprocal of the divisor.

6.

FLASHCARD QUESTION

Front

What is the result of (x+3)/(x-4) when x=4?

Back

The expression (x+3)/(x-4) is undefined when x=4 because the denominator becomes zero.

7.

FLASHCARD QUESTION

Front

What is the difference between a proper and improper fraction?

Back

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator larger than or equal to its denominator.

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