Higher

Change the subject where the unknown appears twice

Higher

Change the subject where the unknown appears twice

Lesson details

Key learning points

  1. In this lesson, we will be changing the subject of a formula in which the unknown appears twice.

Licence

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3 Questions

Q1.
1. What is the solution set for 10x² + 33x - 7≤ 0?
A
B
C
Correct answer: D
Q2.
2. What is the solution set for 2x² + 2x – 30 < 5x + 24?
A
B
C
Correct answer: D
Q3.
3. Which option is a quadratic inequality that has a solution set of {x: x >1.5 ∪ x < -0.5}?
A
B
Correct answer: C
D

3 Questions

Q1.
Make t the subject of the formula.
A
Correct answer: B
C
D
Q2.
Make b the subject of the formula.
A
Correct answer: B
C
Q3.
Make x the subject of the formula.
Correct answer: A
B
C

Lesson appears in

UnitMaths / Further Algebra (Change the subject/Binomial expansion)