Change the subject where the unknown appears twice
Change the subject where the unknown appears twice
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Lesson details
Key learning points
- In this lesson, we will be changing the subject of a formula in which the unknown appears twice.
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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3 Questions
Q1.
1. What is the solution set for 10x² + 33x - 7≤ 0?
A
B
C
Q2.
2. What is the solution set for 2x² + 2x – 30 < 5x + 24?
A
B
C
Q3.
3. Which option is a quadratic inequality that has a solution set of {x: x >1.5 ∪ x < -0.5}?
A
B
D
3 Questions
Q1.
Make t the subject of the formula.
A
C
D
Q2.
Make b the subject of the formula.
A
C
Q3.
Make x the subject of the formula.
B
C