13.1_practicepp

13.1_practicepp - Mat120 - Homework Practice Section 13.1

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Unformatted text preview: Mat120 - Homework Practice Section 13.1 Name___________________________________ Class Hour:______________________________ Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form a + bi. 1) (x + 2)2 = 20 2) ( x - 10 )2 + 1 = 0 Complete the square for the binomial. Then factor the resulting perfect square trinomial. 3) x2 - 12x 4) x2 + 1 x 6 Page 1 of 2 Solve the quadratic equation by completing the square. 5) x2 + 8x - 7 = 0 6) x2 + 3x - 9 = 0 Page 2 of 2 Answer Key Testname: 13.1_PRACTICEPP 1) { -2 + 2 5, -2 - 2 5 } 2) {10 + i, 10 - i} 3) x2 - 12x + 36 = (x - 6)2 2 4) x2 + 1 x + 1 = x + 1 12 6 144 5) {-4 6) { -3 - 3 2 23 , -4 + 23} 5} 5 , -3 + 3 2 Page 3 of 2 ...
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13.1_practicepp - Mat120 - Homework Practice Section 13.1

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