Year 10
Higher
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Lesson details
Key learning points
- In this lesson, we will solve quadratic inequalities with an x² coefficient of 1 and express solutions using set notation.
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.
What is the solution set for x² ≥ 25?
A
C
D
Q2.
What is the solution set for x² - 7 > 74?
B
C
D
Q3.
What is the solution set for 2x² - 11 ≤ 61?
A
B
C
3 Questions
Q1.
What is the solution set for x² + x - 6 > 0?
A
C
D
Q2.
What is the solution set for x² + 3x - 4 < 0?
A
B
D
Q3.
Why does x² + 9 < 0 not have any solutions?
A
B
C