A. $$\frac{4x^3}{\left(x+2\right)}$$

D. $$\frac{4x^3}{\left(x-2\right)}$$

When adding and subtracting rational expressions, my first step should be to:

Determine a Least Common Denominator.

Combine like terms in the numerators.

Factor all of the numerators and all of the denominators.

Change the operator to multiplication and reciprocate the second fraction.

To simplify a rational expression, I should

Factor the numerator and denominator and eliminate common factors.

Eliminate common terms in the numerator and denominator.

Combine like terms in the numerator and denominator.

Put the steps in order

Factor the denominator if possible

6.1-6.5 Quizizz Math 3

Authored by Colleen Colborn

Mathematics

9th - 12th Grade

CCSS covered

Used 5+ times

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36 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify

Answer explanation

Domain: $x\ne-2$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Answer explanation

Domain: $a\ne0,\ c\ne0$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify.

3 x y³

8 x³ y

3 x³y

8 x y³

Answer explanation

$x\ne0,\ y\ne0$
Domain:

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify.

Answer explanation

Domain: $x\ne0$

Domain: All real numbers $x\ne0,\ y\ne0$ .

Simplify.

-1

Can't be simplified

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify

Answer explanation

Domain: $x\ne9,\ x\ne-9$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify.

Answer explanation

Domain: $x\ne6,\ x\ne7$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Answer explanation

Domain: $x\ne2$

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6.1-6.5 Quizizz Math 3

Simplify

Domain: x≠−2x\ne-2x​=−2

Domain: a≠0, c≠0a\ne0,\ c\ne0a​=0, c​=0

Simplify.

x≠0, y≠0x\ne0,\ y\ne0x​=0, y​=0 Domain:

Simplify.

Domain: x≠0x\ne0x​=0

Domain: All real numbers x≠0, y≠0x\ne0,\ y\ne0x​=0, y​=0 .

Simplify.

Simplify

Domain: x≠9, x≠−9x\ne9,\ x\ne-9x​=9, x​=−9

Simplify.

Domain: x≠6, x≠7x\ne6,\ x\ne7x​=6, x​=7

Domain: x≠2x\ne2x​=2

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Domain: $x\ne-2$

Domain: $a\ne0,\ c\ne0$

$x\ne0,\ y\ne0$
Domain:

Domain: $x\ne0$

Domain: All real numbers $x\ne0,\ y\ne0$ .

Domain: $x\ne9,\ x\ne-9$

Domain: $x\ne6,\ x\ne7$

Domain: $x\ne2$