Quadratic Functions Unit Test Review – Flashcards
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If the discriminant of a quadratic equation is 4, which statement describes the roots?
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B. There are two real roots.
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For which value of m does the graph y=18x^2+mx+2 have exactly one x-intercept?
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C. 12
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Solve x^2+11x+121/4=125/4 for x.
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D. x=-11/2 ±5√5/2
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Which graph represents the solution set for the quadratic inequality x^2+2x+1>0?
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C.
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Adam is using the equation (x)(x+2)=255 to find two consecutive odd integers with a product of 255. When Adam solves the problem using the zero product property, what do those solutions represent?
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A. two possible "first" integers
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Which quadratic inequality does the graph below represent?
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C. y≤x^2-3
