Subtract two surds where you need to simplify

Subtract two surds where you need to simplify

Lesson details

Key learning points

  1. In this lesson, we will learn how to subtract two surds where you may need to simplify at least one surd prior to subtracting.

Licence

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3 Questions

Q1.
Which calculation can be simplified further?
An image in a quiz
A
Correct answer: B
C
D
Q2.
Simplify √12 + √27
√12 + √27
√39
2√3 + 3√3
Correct answer: 5√3
Q3.
Simplify fully 3√8 + √50
Correct answer: 11√2
2√11
3√58
7√2

3 Questions

Q1.
Which calculation can be simplified further?
An image in a quiz
A
B
Correct answer: C
D
Q2.
Simplify fully √27 - √12
√15
√27 - √12
Correct answer: √3
5√3
Q3.
Simplify fully 4√3 - √12
Correct answer: 2√3
3√15
3√2
4√15

Lesson appears in

UnitMaths / Adding surds