10.7_practicepp

10.7_practicepp - of 48 feet per second The height h of the object after t seconds is given by the quadratic equation h =-16t 2 48t 160 When will

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Mat120 - Homework Practice Name___________________________________ Section 10.7 Class Hour:______________________________ Use factoring to solve the quadratic equation. 1) x 2 + 7x - 18 = 0 2) 6x 2 + 27x = 0 3) x 2 - 9 = 8x 4) 9x 2 = 7x 1
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5) x 2 120 - 11 60 x + 1 = 0 Use factoring to solve the polynomial equation. 6) 5x 3 + 4x 2 = 125x + 100 Solve the problem. 7) An object is thrown upward from the top of a 160 - foot building with an initial velocity
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Unformatted text preview: of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation h = -16t 2 + 48t + 160. When will the object hit the ground? 2 Answer Key Testname: 10.7_PRACTICEPP 1) {-9, 2} 2) {- 9 2 , 0} 3) {-1, 9} 4) { 7 9 , 0} 5) {10, 12} 6) {-5,- 4 5 , 5} 7) 5 sec 3...
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This note was uploaded on 05/05/2008 for the course MAT 120/222/10 taught by Professor None during the Spring '08 term at ASU.

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10.7_practicepp - of 48 feet per second The height h of the object after t seconds is given by the quadratic equation h =-16t 2 48t 160 When will

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