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3 cards from this section. Quick, good the night before a test.
Solve the equation x^2 - 8x + 16 = 0. What are the roots?
Look for factors of the equation.
What happens if the quadratic equation has no real roots?
Consider the discriminant.
What is the first step to solve a quadratic inequality?
Think about the standard form of the inequality.
True or False: The roots of a quadratic equation can be found using the quadratic formula only.
Consider instances when factoring might be easier.
Given the equation x² + x + 1 = 0, determine if it has real roots. Discuss the implications of your findings regarding its inequality.
Check the discriminant to conclude about roots.
Solve and analyze the quadratic 4x² - 4x + 1 = 0 and evaluate the nature of its solution set in the context of inequalities.
Look for patterns in root behavior based on their number and type.
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