Practise MYP Standard Mathematics questions on 2.2 Formula Manipulation and review the explanations to check your understanding.
Use these questions for topic practice and to find ideas you want to revisit in your notes or lessons.
A variable is directly proportional to . If the graph of this relationship passes through the point , what is the value of when ?
True or False: The formula can be correctly rewritten as by distributing the division across the addition in the denominator.
True or False: In pure algebra, to make the subject of the formula , the result must be written as to account for both possible roots.
The kinetic energy of an object is directly proportional to the square of its velocity . If an object's velocity is reduced by , by what percentage does its kinetic energy decrease?
To make the subject of the formula , what is the correct first step in the 'undoing' process?
5.0
0.2
0.4
2.5
True
False
True
False
75%
50%
25%
90%
Subtract 5 from both sides
Divide both sides by 3
Take the square root of both sides
Add 4 to both sides
