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

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
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)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

This note was uploaded on 05/13/2011 for the course MTH 98 taught by Professor Johnson during the Fall '09 term at Grand Valley State University.

Ask a homework question - tutors are online