x intercept is when y=0:
3x - 5y = 30
3x - 5*0 = 30
3x = 30
x = 10
y intercept is when x=0:
3x - 5y = 30
3*0 - 5y = 30
-5y = 30
y = -6
2007-05-23 09:21:45
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answer #1
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answered by McFate 7
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from 3x-5y=30 for the y-intercepts it uncomplicated ability the place the line cut back the y axis at this y-cost=y-intercept and x=0 considering the fact that there is not any horizontal displacement from 0 3(0)-5y=30 => y= -6. coordinates at this ingredient ;(x,y)=(0,-6) For x-intercept the opposite is real.ie y=0 x-cost=x-intercept 3x-5(0)=30 => x=10 coordinates (10,0)
2016-11-26 20:37:56
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answer #2
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answered by ? 4
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First rewrite the equation in slope intercept form...
3x - 5y = 30
isolate y.. by doing this is to subtract 3x on both sides
-5y= -3x +30
No get rid of that 5 by dividing it on both sides.. It's more correct make them separate fractions. Like given below
-5y/-5 = -3x/-5 + 30/-5
y= 3x/5 - 6
Make x 0 and the y intercept will be -6..
2007-05-23 09:25:36
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answer #3
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answered by Invisble 4
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What you need to do is put a 0 (zero) in place of the x or y... then solve for the remaining variable...
♥3x - 5y = 30 -Replace the x with a zero
3(0) -5y =30
0-5y=30
-5y=30 -Then divide both sides by -5
and you get
y= -6
♥3x - 5y = 30 ---Then replace 0 in for y
3x - 5(0) = 30
3x - 0 = 30
3x = 30 --Divide by 3 to get the x alone
and you get
x=10
Answer: x=10 and y= -6
HOPE THIS HELPS ♥
2007-05-23 09:26:54
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answer #4
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answered by Anonymous
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X intercept is 10, and the Y intercept is -6.
2007-05-23 09:23:07
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answer #5
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answered by Anonymous
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rewrite the problem in slope intercept form
y=-3/5x+6
y intercept is 6
x intercept is 7
2007-05-23 09:24:30
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answer #6
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answered by lo 1
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th x intercept is when y = 0 so x = 10
the y intercept is when c = 0 so y = 6
2007-05-23 09:22:34
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answer #7
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answered by duke4me2 3
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x intercept is when y =0
so...
3x+5(0)=30
3x=30
x = 10
x intercept: (10,0)
3(0)+5y=30
5y=30
y=7
y intercept: (0,7)
2007-05-23 09:23:01
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answer #8
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answered by Sum Girl 4
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