Lesson details

Key learning points

  1. In this lesson, we will look at basic surd rules in particular multiplication and division.

Licence

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7 Questions

Q1.
Which of the following is a surd
A
Correct answer: B
C
D
Q2.
Which of the following is NOT a surd
Option 1
B
C
Correct answer: D
Q3.
Evaluate √144
1.44
Correct answer: 12
72
Q4.
A right- angled triangle has sides a, b and c as show in the diagram. What is the correct formula to find the length a.
A
B
C
Correct answer: D
Q5.
A right- angled triangle is shown in the diagram below. Find the length of the hypotenuse.
Correct answer: √116
116
14
28
Q6.
A right- angled triangle is shown int he diagram below. Find the length of the missing side.
√135
Correct answer: √153
√33
153
Q7.
A right- angled triangle is shown int he diagram below. Find the length of the missing side.
√146
Correct answer: √96
36
96

5 Questions

Q1.
Work out √16
2
Correct answer: 4
8
Q2.
Which of the following is NOT equivalent to 2 × √9
Correct answer: √18
2√9
6
Q3.
What is √4×√4
16
Correct answer: 4
8
Q4.
True or False?
False
Correct answer: True
Q5.
What is √9−√4 ?
Correct answer: 1
2
3
4
5

Lesson appears in

UnitMaths / Surds and trigonometry