April 01, 2014

Warm Up

1.) Find the value of each object. The numbers represent the sums of the values.

=7 = 26 =3

April 01, 2014

Warm Up

2.) Find the value of 1 pear.

12

April 01, 2014

9.2 Solving Quadratic Equations by Graphing 1.) I can solve a quadratic equation by graphing.

April 01, 2014

9.2 Solving Quadratic Equations by Graphing

Solving Quadratic Equations Using Graphs 1.) Write the equation of the form ax2 + bx + c = 0 2.) Write the related function y = ax2 + bx + c 3.) Sketch the graph and find the xintercepts (roots).

April 01, 2014

9.2 Solving Quadratic Equations by Graphing (a) Solve by graphing. x2 - 2x - 8 = 0

x

y

April 01, 2014

9.2 Solving Quadratic Equations by Graphing (b) Solve by graphing. -x2 - 3x + 18 = 0

x

y

April 01, 2014

9.2 Solving Quadratic Equations by Graphing (c) Solve graphically. Check your solution algebraically. x2 + 6x = -8

x

y

April 01, 2014

9.2 Solving Quadratic Equations by Graphing (d) Solve graphically. Check your solution algebraically. x2 - 4 = 5

x

y

April 01, 2014

9.2 Solving Quadratic Equations by Graphing (e) Solve graphically. Check your solution algebraically. -x2 + 7x - 10 = 0

x

y

April 01, 2014

9.2 Solving Quadratic Equations by Graphing

Solving Quadratic Equations Using Graphs 1.) Write the equation of the form ax2 + bx + c = 0 2.) Write the related function y = ax2 + bx + c 3.) Sketch the graph and find the xintercepts (roots).

April 01, 2014

9.2 Solving Quadratic Equations by Graphing

Homework: p. 540 12-16 even

9.2 Solving Quadratic Equations by Graphing.pdf

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