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Quadratic Equations

A. Solve the quadratic equation (x-15)^2 = 28

B. The vertex of y = x^2 + 4x + 5 is:

C. Find the value of c such that... is a perfect square.

D. Solve the equation for x by using the quadratic formula ....

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Quadratic equations are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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