Lesson details

Key learning points

  1. In this lesson, we will look at inversely proportional relationships and derive and apply formulae related to them.

Licence

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3 Questions

Q1.
A
Correct answer: B
C
Q2.
Correct answer: A
B
C
Q3.
x = 10 and z = 81
Correct answer: x = 160 and z = 9
x = 60 and z = 3

4 Questions

Q1.
1. y is inversely proportional to π‘₯. Given that y = 2 when π‘₯ = 3, find a formula for y in terms of π‘₯.
A
B
C
Correct answer: D
Q2.
2. y is inversely proportional to π‘₯. Given that y = 2 when π‘₯ = 3, what is the value of y when π‘₯ = 4?
Correct answer: A
B
C
D
Q3.
3. y is inversely proportional to π‘₯. Given that y = 2 when π‘₯ = 3, what is the value of π‘₯ when y = 12?
A
B
Correct answer: C
D
Q4.
4. y is inversely proportional to π‘₯Β². Given that y = 9 when π‘₯ = 2, what is the value of y when π‘₯ = 6?
A
B
C
Correct answer: D

Lesson appears in

UnitMaths / Direct and Inverse Proportion