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the x-intercept

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the x-intercept

by sanju09 » Fri Jul 23, 2010 6:44 am
If the slope of a line is ½ and the y-intercept is 3, what is the x-intercept of the same line?
A. 6
B. 3/2
C. 0
D. -2/3
E. -6

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by kvcpk » Fri Jul 23, 2010 6:47 am
sanju09 wrote:If the slope of a line is ½ and the y-intercept is 3, what is the x-intercept of the same line?
A. 6
B. 3/2
C. 0
D. -2/3
E. -6

[spoiler]Source: majortests.com[/spoiler]
y = mx +c
y = x/2 + 3
x intercept is when y = 0
Hence x = -6

pick E
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by selango » Fri Jul 23, 2010 8:05 am
Slope=-b/a

1/2=-3/a

a=-6
--Anand--
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