1. 2..27v-1.6=.32v-2
Slope-Intercept Form y = mx + b m = slope b = y-intercept Slope-Intercept Form y = mx + b m = slope b = y-intercept
−2− −3 x y 1) Find the slope and y-intercept. 2) Plot the y-intercept. m =m = −2−2 3 or m = 2 4) Draw a line through the points. 3) Plot the slope. −3−3 2.3: Quick Graphs of Linear Equations, p. 82 Objective: To Graph Linear Equations, CA Std. 2.0 Graph the following linear equation using the slope and y-intercept
−1−1 y x 1) Find the slope and y-intercept. 2) Plot the y-intercept. m = 2 1 or m = −2−2 4) Draw a line through the points. 3) Plot the slope −2−2 −1−1 Graph the following linear equation using the slope and y-intercept
Graphing Horizontal and Vertical Lines y x y x Graph y = 1 and x = −2. y = 1 x = −2x = −2 Count up 1 on the y-axis. Count left 2 on the x-axis. y = 1 x = −2 Draw a horizontal line. Draw a vertical line. Horizontal Lines are in the form y = c. Vertical Lines are in the form x = c.
x y Shade up Shade down Solid line Dashed line ><
x y
x y
1. y=3x+12. 4x+y=2 3. 2x>64. y=6
Assignment Worksheet graphing equations and inequalities Closure: Describe the graph of a linear inequality in two variables.