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5.5 part 2 - 2 = c bx ax Solving by Graphing Solve Each...

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1 5.5 Notes (continued) Quadratic Expressions Objective - To solve quadratic equations by graphing. Solving by Graphing Not every quadratic equation can be solved by factoring or taking the square root. You can solve by graphing a quadratic equation and looking at the x-intercepts. Zero of a Function: solution to (Remember x-intercepts can be found when y = 0)
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Unformatted text preview: 2 = + + c bx ax Solving by Graphing Solve Each x-intercept is a zero of the function (use graphing calculator) 2 5 2 = +-x x You try! Solve each equation. When necessary, round to the nearest hundredth. 1) 2) 4 2 2 =-x x 4 1 2 1 2 =-+ x x Homework p. 266 # 20-31...
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