Download 8.6 Slope-Intercept Form - Goshen Community Schools

3 x  2 y  6
x  2 y  14
x  2 y  18
x  y  9
Can you graph the line?
y
-slope of ¾ and
passes through
the point (-2,5)
x
Can you graph the line?
y
-slope of -2 and a
y-intercept of
5.
x
Section 8.6
Slope-Intercept Form
1.
2.
3.
4.
Find x-intercept and y-intercept.
Graph the line
Find the slope of the line.
Solve the equation for y.
5 x  2 y  20
2 x  3 y  6
x  y  7
8 x  2 y  12
x y 4
Graph the Equation
y
5 x  2 y  20
x
x-int =
y-int =
Slope =
Graph the Equation
y
x  y  7
x
x-int =
y-int =
Slope =
Graph the Equation
y
8 x  2 y  12
x
x-int =
y-int =
Slope =
Graph the Equation
y
2 x  3 y  6
x
x-int =
y-int =
Slope =
Graph the Equation
x y 4
y
x
x-int =
y-int =
Slope =
Slope-Intercept Form
y = mx + b
m = slope
b = y-intercept
Graph the Equation
y
y  4x  7
m=
b=
x
Find the slope and y-intercept, then graph.
 4 x  5 y  10
y
x
Find the slope and y-intercept, then graph.
x  3 y  12
y
x
Find the slope and y-intercept, then graph.
y
5x  y  1
x
Baking A school group making cookies for a bake sale
spends $75 on ingredients and then sells the cookies
for $5 a dozen. The amount earned y can be
represented by the equation
, where x
equals the number of dozens sold.
Graph the equation.
y
x
Homework
P 400-401 13-31 odds; 32 – 35 all