THE X AND Y INTERCEPTS!
the x intercept occurs when y = 0 and the y intercept occurs when x = 0 ,ofcourse when the graph line touches the x axis the value for y axis is 0 and similarly when the graph line touches the y axis the value for x = 0 . therefore for x intercept :
-6x+3(0)=-9
-6x=-9
x=-9/-6
x=9/6 or if u further simplify x=3/2 (reduced form )
now for y intercept:
-6(0)+3y=-9
3y=-9
y=-9/3
y=-3
so x intercept is (2/3) and y intercept is (-3)
2006-12-12 12:47:47
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answer #1
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answered by coolchap_einstein 3
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The x-intercept is defined to be where y = 0, and the y-intercept is defined to be where x = 0. To find each intercept, you just set x or y to the appropriate value and solve for the other variable.
X-intercept: let y = 0. Then
-6x + 3y = -9 becomes
-6x + 3(0) = -9, so
-6x = -9, and
x = 9/6 = 3/2
Y-intercept: let x = 0. Then
-6x + 3y = -9 becomes
-6(0) + 3y = -9
3y = -9
y = -3
So the x intercept is 3/2 and the y-intercept is -3
2006-12-12 20:46:30
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answer #2
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answered by Puggy 7
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plug in zeros (plug in a zero for X to find the Y intercept and vice versa)
X - intercept:
-6X + 3(0) = -9, Therefore, -6X = -9 so, X = 9/6 = 3/2 so the X-intercept is (3/2, 0)
Y-intercept:
-6(0) + 3Y = -9
3Y = -9
and therfore, Y = -3 and the X intercept is (0, -3)
2006-12-12 20:46:52
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answer #3
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answered by Dancer101 4
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x = 3/2 y = -3
2006-12-12 20:50:32
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answer #4
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answered by combs 5
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x = 3/2 y = -3
2006-12-12 20:45:09
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answer #5
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answered by fill4ted2 2
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3y= -9 +6x
then
y= -3 +2X
y intercept = -3
dunno how to find x sorry :(
2006-12-12 20:46:56
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answer #6
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answered by thappygolucky 2
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to find intercepts you plug in zero.
y intercept= -3
x intercept= 3/2
2006-12-12 20:46:03
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answer #7
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answered by Anonymous
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to solve - set equal to x then set equal to y
y-intercept = -3
x-intercept = 3/2
2006-12-12 20:45:54
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answer #8
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answered by Anonymous
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I think you set one of the variables to zero, solve it, and then do it for the other.
2006-12-12 20:45:46
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answer #9
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answered by Anonymous
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stop putting your homework online! just do it yourself, it explains how to in your textbook!
btw, there's also answers in the back of most textbooks
2006-12-12 20:45:58
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answer #10
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answered by dramaaddict247 3
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