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623 yx 142 yx
182 yx 9 yx
Can you graph the line?
-slope of ¾ and passes through the point (-2,5)
x
y
Can you graph the line?
-slope of -2 and a y-intercept of 5.
x
y
Section 8.6
Slope-Intercept Form
1228 yx7 yx2025 yx
632 yx 4 yx
1. Find x-intercept and y-intercept.
2. Graph the line
3. Find the slope of the line.
4. Solve the equation for y.
Graph the Equation
x-int =
y-int =
Slope =
x
y
2025 yx
Graph the Equation
x-int =
y-int =
Slope =
x
y
7 yx
Graph the Equation
x-int =
y-int =
Slope =
x
y
1228 yx
Graph the Equation
x-int =
y-int =
Slope =
x
y
632 yx
Graph the Equation
x-int =
y-int =
Slope =
x
y
4 yx
Slope-Intercept Form
m = slope
b = y-intercept
y = mx + b
Graph the Equation
74 xy
m =
b =
x
y
Find the slope and y-intercept, then graph.
1054 yx
x
y
123 yx
x
y
Find the slope and y-intercept, then graph.
15 yx
x
y
Find the slope and y-intercept, then graph.
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.
x
y
Homework
P 400-401 13-31 odds; 32 – 35 all