1. Solving Graphically Ex 1: View using the following windows.
a. x: [-2,2] y: [-2,2]
b. x: [-4,4] y: [-4,4]
c. x: [-10,10] y: [-5,30]
Ex 2: View and
using the window:
x: [-1,3] and y: [-2.5,1.5]. Do they intersect?
No - they don’t.

2. Ex 3: How can we graph using
a graphing calculator?
We must enter 2 functions:

3. Solving by Graphing
To solve an equation by graphing, we set the equation equal to zero, graph y=f(x), and find the zeros of the function.
Ex 4: Solve:
Ex 5: Solve:

4. Ex 6: Solve on the interval [1,6]:
To solve an inequality, move everything to one side and find out where the statement is true.
Ex 8: Solve the inequality:

5. Assignment S 2.3:
pg 177
#1,2,7,8,24,26,38,40,42,46,49,51