Simplify a rational expression

Simplify a rational expression

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Wayground Content

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step when simplifying a rational expression involving cubes?

Simplify the denominator first

Factor out the greatest common factor (GCF)

Multiply the numerator and denominator

Add a constant to the expression

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When simplifying the numerator, what was the GCF factored out?

X^2

3X

2X

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why couldn't the expression X^2 + 2X + 4 be factored further?

It is a prime polynomial

It has no real roots

It is already in its simplest form

There are no two numbers that multiply to 4 and add to 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What formula is used to simplify the denominator involving cubes?

Difference of squares

Quadratic formula

Sum of cubes

Difference of two cubes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final simplified form of the rational expression?

3X / (X + 2)

3X / (X - 2)

X^2 / (X - 2)

X^2 + 2X + 4

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