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2 cards from this section. Quick, good the night before a test.
Solve x² + 2x - 15 > 0.
Factor the expression to find roots.
Solve x² - 4x + 4 ≤ 0.
Recognize the perfect square trinomial.
What form does a quadratic inequality take?
Remember the inequality signs!
True or False: The expression x² - 4x + 4 is a perfect square.
Look for factors that are equal!
Design a projectile motion scenario where the height must remain below a specific point for safety, and determine the time of concern.
Consider the height equation in form of h(t).
Given the quadratic inequality ax² + bx + c < 0 with specific coefficients, determine the ranges of x and graph to represent the solutions.
Focus on the sign analysis for each interval.
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