Practice Tools (8.4) - Quadratic Inequalities - IB 10 Mathematics

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Solve the quadratic inequality $x^2 - 4 > 0$ .
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Factor the inequality and find the roots.
Question 2.
Represent the solution of $x^2 - 1 ≤ 0$ on a number line.
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Find the roots of the equation.
3Question 3.
What is the standard form of a quadratic inequality?
- \$ ax^2 + bx + c < 0 \$
- \$ ax + b < c \$
- \$ ax^2 + b < 0 \$
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Remember the form of quadratics!
4Question 4.
Boolean: The quadratic formula can always be applied to find real roots.
- True
- False
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Consider the discriminant!
Question 5.
A ball is kicked into the air with path $h(t) = -4.9t^2 + 20t + 1$ . Determine when the ball is below 10 meters.
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Combine and rearrange to set up the inequality correctly.
Question 6.
Given $x^2 + 2x - 8 > 0$ analyze the intervals and graph the solution.
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Remember to test points in each identified interval for the inequality.

5 more questions in this section. Enroll free to practise them all.