Do Now Given y=7x - 1 1.What is the slope? 2.What is the y-intercept Given f(x)=2 - 3x 1.What is the slope? 2.What is the y-intercept.

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Do Now Given y=7x What is the slope? 2.What is the y-intercept Given f(x)=2 - 3x 1.What is the slope? 2.What is the y-intercept

Target: I can graph a line given the slope and y-intercept. Designed by Skip Tyler, Varina High School

Slope

Graphing with slope-intercept 1.Start by graphing the y-intercept (b = 2). 2.From the y-intercept, apply “rise over run” using your slope. rise = 1, run = -3 3.Repeat this again from your new point. 4.Draw a line through your points Start here 1 -3

Graph the following linear equation using slope and y-intercept. x y 1) Find the slope and y-intercept. Steps 2) Plot the y-intercept. m = 2 3 or m = ) Draw line through points. 3) Plot the slope

The y-intercept is – 2, so plot the point (0, – 2) where the line crosses the y -axis. The equation is already in slope- intercept form. Graphing with the Slope-Intercept Form S OLUTION Graph y = x – Draw a line through the two points. The slope is, so plot a second point on the line by moving 3 units up and 4 units to the right. This point is (4, 1). 3 4 (4, 1)(4, 1) (0, – 2) 3 4 (4, 1).

Which is the graph of y = x + 2?

Exit Ticket I first thought … but now I realize …