Practice Quadratic Equations (2.2) - Algebra

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9 questions

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3 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.
What is the standard form of a quadratic equation?
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Recall the definition we discussed.
Question 2.
Solve the equation x² - 3x + 2 = 0 by factoring.
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Look for two numbers that multiply to 2 and add to -3.
3Question 3.
What is the standard form of a quadratic equation?
- a² + b + c = 0
- ax² + bx + c = 0
- ax + b + c = 0
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Look for the equation with an 'x' squared term.
4Question 4.
True or False: The quadratic formula can solve any quadratic equation.
- True
- False
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Consider whether there are limitations to this formula.
Question 5.
If a quadratic equation has one solution at x = 5, what can you infer about its factors?
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Consider why having a single solution changes the factor form.
Question 6.
Solve the quadratic equation x² + 4x + 4 = 0 using both the quadratic formula and factorization.
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Check if your factors match the expanded form.

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