Section 1.5 Quadratic Equations

Apply the square root property to obtain the

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Unformatted text preview: are root property to obtain the solutions. Example 1 Solve x 2 − 20 = 0. 2 Solve z 2 + 7 = 0. 3 Solve (p + 5)2 = 49. Applications Outline Quadratic Equations Solving Quadratic Equations Applications Completing the Square We can put a quadratic equation of the form ax 2 + bx + c = 0 (a = 0) into the form (x − h)2 = k for some constants h and k by completing the square. 1 2 3 4 Multiply both sides by 1 to obtain an equation of the form a x 2 + b1 + c1 = 0. Subtract c1 from both sides. 2 b1 Add c2 = to both...
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This note was uploaded on 02/10/2014 for the course MATH 1050 taught by Professor K.jplatt during the Spring '14 term at Snow College.

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