# 4 6 Graphing Lines Using Slope Intercept Form Goal Graph a linear equation in slope intercept form Key Words •slope •y inte

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```					4.6
Graphing Lines Using Slope-
Intercept Form

Goal
Graph a linear equation in slope-
intercept form
Key Words
•slope
•y-intercept
•slope-intercept form
•parallel lines
SLOPE-INTERCEPT FORM OF THE EQUATION
OF A LINE

The linear equation y = mx + b is written
in slope-intercept form where m is the
slope and b is the y-intercept.
y = mx + b
y = 7x + 6
y = 2/5 x – 3
4
y   x6
3
EXAMPLE   1   Find the Slope and y-Intercept

Find the slope and y-intercept of 2x – y = -3
EXAMPLE   2   Graph an Equation in Slope-Intercept Form

Graph the equation y = -3x + 2
y

x
Checkpoint   Graph Linear Equations
Graph the equation y = x + 5

y

x
Checkpoint   Graph Linear Equations
Graph the equation y = 3 – 2x

y

x
Checkpoint   Graph Linear Equations
1
Graph the equation y  x  4
2
y

x
Checkpoint   Graph Linear Equations

Graph the equation 5x – 10y = -20
y

x
Checkpoint   Graph Linear Equations

Graph the equation x + 10y – 3 = 7
y

x

```
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