Divide two rational expressions by simplifying

Divide two rational expressions by simplifying

Assessment

Interactive Video

Created by

Quizizz Content

Mathematics

11th Grade - University

Hard

The video tutorial covers the division of rational expressions, starting with reciprocating the divisor to convert the problem into a multiplication task. It then explains how to factor trinomials, focusing on identifying positive and negative factors. The concept of the difference of squares is introduced, followed by the application of the division property to simplify expressions. The tutorial concludes with a discussion on restrictions, emphasizing why certain values cannot be used in the denominator.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step when dividing rational expressions?

Add the expressions

Multiply the expressions

Subtract the expressions

Reciprocate the divisor

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When factoring a trinomial with a positive middle term and a positive constant, what can be inferred about the factors?

Factors are equal

Both factors are positive

One factor is positive, one is negative

Both factors are negative

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean if the product of two factors is negative?

Both factors are positive

Both factors are negative

One factor is positive, one is negative

Factors are equal

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the division property used for in simplifying rational expressions?

To add expressions

To subtract expressions

To cancel out common factors

To multiply expressions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a common factor that can be canceled in the expression X^2 - 64?

X + 8

X - 8

X + 2

X - 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must certain values of X be restricted in rational expressions?

To prevent zero in the numerator

To avoid negative results

To prevent zero in the denominator

To simplify calculations

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if X equals a value that makes the denominator zero?

The expression becomes undefined

The expression equals zero

The expression equals one

The expression becomes infinite