1.1) RECTANGULAR COORDINATES Pg 9 # 1- Do Now!. Coordinate Plane  Label: x, y-axis, origin, quadrants  Plot points.

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Presentation transcript:

1.1) RECTANGULAR COORDINATES Pg 9 # 1- Do Now!

Coordinate Plane  Label: x, y-axis, origin, quadrants  Plot points

Distance Formula 1.) (3, 7), (4, -2)2.) (-6, 0), (-3, 4)

Midpoint Formula 1.) (3, 7), (4, -2)2.) (-6, 0), (-3, 4)

PG 9 # 3, 7-19 CLASSWORK

1.2) GRAPHS OF EQUATIONS

Graphing Equations- Examples 1.) y = 2x - 4

Graphing Equations 2.) y = -3x +2

Intercepts The point on the graph where it crosses the x- axis To find the x- intercept, plug in y = 0 and solve for x Show on graph The point on the graph where it crosses the y- axis To find the y- intercept, plug in x = 0 and solve for y Show on graph X- interceptY-intercept

Examples 1.) 3x + 4y = 102.)

How many intercepts?

See board Symmetry Graphs

Pg 10 # odd Pg # 5-13 odd, Homework