Notes Over 4.3
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Transcript of Notes Over 4.3
Notes Over 4.3Finding InterceptsFinding Intercepts
Find the x-intercept of the graph of the equation.
1 6. x y 6 x 0x 6
x-intercept
y-intercept
The x value when y is equal to 0. Place where the graph crosses the x-axis.The y value when x is equal to 0. Place where the graph crosses the y-axis.
Notes Over 4.3Finding InterceptsFinding Intercepts
Find the x-intercept of the graph of the equation.
2 2 4. x y 4 2 x 0 2x 4
x-intercept
y-intercept
The x value when y is equal to 0. Place where the graph crosses the x-axis.The y value when x is equal to 0. Place where the graph crosses the y-axis.
2 2x 2
Notes Over 4.3Finding InterceptsFinding Intercepts
Find the x-intercept of the graph of the equation.
3 3 2 6. x y 6 23 x 03x6
x-intercept
y-intercept
The x value when y is equal to 0. Place where the graph crosses the x-axis.The y value when x is equal to 0. Place where the graph crosses the y-axis.
33x 2
Notes Over 4.3Finding InterceptsFinding Intercepts
Find the y-intercept of the graph of the equation.
4 6. x y 6 y0
y6
x-intercept
y-intercept
The x value when y is equal to 0. Place where the graph crosses the x-axis.The y value when x is equal to 0. Place where the graph crosses the y-axis.
y 6
Notes Over 4.3Finding InterceptsFinding Intercepts
Find the y-intercept of the graph of the equation.
5 2 4. x y 42 y0
y 4
x-intercept
y-intercept
The x value when y is equal to 0. Place where the graph crosses the x-axis.The y value when x is equal to 0. Place where the graph crosses the y-axis.
Notes Over 4.3Finding InterceptsFinding Intercepts
Find the y-intercept of the graph of the equation.
6 3 2 6. x y 62 3 y0
2y6
x-intercept
y-intercept
The x value when y is equal to 0. Place where the graph crosses the x-axis.The y value when x is equal to 0. Place where the graph crosses the y-axis.
2 2y 3
Notes Over 4.3Finding InterceptsFinding Intercepts
In standard form, Ax + By = C ,
the x-intercept is C
A
x-intercept
y-intercept
The x value when y is equal to 0. Place where the graph crosses the x-axis.The y value when x is equal to 0. Place where the graph crosses the y-axis.
the y-intercept is C
B
Notes Over 4.3Making a Quick GraphMaking a Quick GraphFind the x-intercept and the y-intercept of the line. Use the intercepts to sketch a quick graph of the equation.
7 6. y x xx
x y 6the x-intercept is
6
16
the y-intercept is 6
16
Notes Over 4.3Making a Quick GraphMaking a Quick GraphFind the x-intercept and the y-intercept of the line. Use the intercepts to sketch a quick graph of the equation.
8 5 15. x y
the x-intercept is 15
115
the y-intercept is 15
5 3
3 6 9 12 15 18
Notes Over 4.3Making a Quick GraphMaking a Quick GraphFind the x-intercept and the y-intercept of the line. Use the intercepts to sketch a quick graph of the equation.
9 4 2. y x
the x-intercept is 4
22
the y-intercept is 4
14
2x2x2x y 4
Notes Over 4.3Making a Quick GraphMaking a Quick GraphFind the x-intercept and the y-intercept of the line. Use the intercepts to sketch a quick graph of the equation.
10 7 14. x y
the x-intercept is 14
72
the y-intercept is 14
1 14
-2 -4 -6 -8 -10 -12 -14
Notes Over 4.3Making a Quick GraphMaking a Quick GraphFind the x-intercept and the y-intercept of the line. Use the intercepts to sketch a quick graph of the equation.
11 3 4 24. x y
the x-intercept is 24
38
the y-intercept is 24
46
Notes Over 4.3Making a Quick GraphMaking a Quick GraphFind the x-intercept and the y-intercept of the line. Use the intercepts to sketch a quick graph of the equation.
12 2 7 10. y x
the x-intercept is 10
7 1
3
7
the y-intercept is 10
25
7x 7x 7 2x y10
Notes Over 4.3