Year 10
Higher
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Lesson details
Key learning points
- In this lesson, we will learn how to rationalise a fraction containing more complex expressions with surds in the denominator.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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4 Questions
Q1.
Rationalise 2 ÷√2
1
2
2√2
Q2.
Rationalise
Option 1
Option 3
None of these
Q3.
Rationalise
Option 1
Option 2
Option 4
Q4.
Rationalise
Option 1
Option 2
Option 3
4 Questions
Q1.
The conjugate of (√2 +3) is (√2 – 3)
False
Q2.
Expanding (√2 +3)(√2 – 3) will find an integer answer.
False
Q3.
Rationalise
A
B
Q4.
Rationalise
Option 2
Option 3