Adding and Subtracting Radicals

Adding and Subtracting Radicals

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Easy

Created by

Amelia Wright

Used 1+ times

FREE Resource

The video tutorial explains how to add and subtract radicals, emphasizing the need for the same index and radicand. It provides examples to demonstrate the process, including handling complex radical expressions. The key takeaway is to ensure indices and radicands match before performing operations on the coefficients.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be the same in order to add or subtract radicals?

The indices and radicands

The base numbers

The coefficients

The exponents

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the expression 2√2 + 3√2 - 10√2, what is the result?

-5√2

5√2

15√2

0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't 4√5 be added to 2√2?

Different exponents

Different indices

Different radicands

Different coefficients

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following can be added together?

4√5 and 2√2

4√5 and 4√5

2√2 and 3√3

5√3 and 5√2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding 4√5 and -2√5?

2√5

0

6√5

-2√5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do with the coefficients when adding like radical terms?

Multiply them

Divide them

Add or subtract them

Ignore them

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key point to remember when working with radicals?

Always multiply the radicands

Focus only on the indices

Ensure indices and radicands are the same before adding

Ignore the coefficients

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