Practice Methods Of Solving Quadratic Equations (2)

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9 questions

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6 sample questions

Question 1.
Factor the equation x² + 3x + 2 = 0.
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Look for factors of 2 that add up to 3.
Question 2.
What is the discriminant of the equation x² - 4x + 4 = 0?
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Use the formula D = b² - 4ac.
3Question 3.
Which method involves expressing a quadratic equation as a product of factors?
- Completing the Square
- Factorization
- Quadratic Formula
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Think of breaking down the quadratic.
4Question 4.
True or False: The quadratic formula can only be used in certain cases of quadratic equations.
- True
- False
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Remember, it's universal!
Question 5.
Find the dimensions of a rectangular area with an area of 72 m² if its length is 8 m more than its width. Formulate and solve a quadratic equation.
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First, set the equation up by expressing length in terms of width.
Question 6.
A projectile is thrown upward, modeled by the equation h(t) = -5t² + 20t + 5, where t is time in seconds. Find how long it takes for the projectile to hit the ground.
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After setting h(t) = 0, apply the quadratic formula.

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