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3 cards from this section. Quick, good the night before a test.
Solve the linear inequation: 2x + 3 < 11.
Subtract 3 from both sides.
What is the standard form of a quadratic equation?
Remember the variables a, b, and c!
What is the solution to the inequation 4x - 7 < 9?
Think about isolating x.
True or False: The equation x² - 9 = 0 can be factored as (x - 3)(x + 3) = 0.
Check the roots of the equation.
Prove that the quadratic equation 2x² - 8x + 6 = 0 can be resolved using both factorization and the quadratic formula. Provide all detailed steps.
Remember to apply the discriminant.
Given x = 3 is a solution to the polynomial equation P(x) = x² - 7x + 12, can you find any other roots? Prove your answer.
Use synthetic division or factor.
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