Linear Equations Worksheet - Algebra 1b Page 12
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14Example #4
Graph each equation. Tell whether the line is horizontal or vertical.
x = −
y =
a)
3
b)
4
y
y
x
x
Example #5
Write each equation in slope-intercept form, then graph the line.
−
=
−
−
= −
a) 2
x
5
y
15
b)
3
x
4
y
24
y
y
x
x
3 Ways to Graph Lines:
−
=
−
y
y
m x
(
x
)
* point-slope form:
1
1
(use point and slope to graph)
=
+
y
mx
b
* slope-intercept form:
(use slope and y-intercept to graph)
Ax + By = C
* standard form:
(use x- and y-intercepts to graph)
Closure Question
How do you find the x- and y-intercepts of a linear equation?
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