what is the equation of a line whose x intercept is half as that of line 3x + 4y =12 & y intercept twice of same.
ans: 3x + y = 6.
4 Replies
RAVI TEJA S
(student)
(706 Points)
Replied 13 September 2011
By solving these two equations we get X=4/3 y=2
intermediate(ipc)course
(no)
(1460 Points)
Replied 13 September 2011
thanks but the answer will equation.
* Krishna *
(CA Student)
(6149 Points)
Replied 13 September 2011
In the given equation put y = 0 and find the value for x
Given, 3x + 4y = 12
Therefore, 3x + 4(0) = 12, therefore, x = 12/3 = 4.
Similarly put x = 0 and find the y in 3x + 4y = 12
Therefore, 3(0) + 4y = 12, therefore, y = 12/4 = 3
In the given equation, x-intercept is half of the x-intercept of the line 3x + 4y = 12 and is equal to 2
And y intercept of the new line is twice the y-intercept of 3x + 4y = 12 and is equal to 6.
Now the equation of a line whose x-intercept and y-intercept is given can be written as 
.
Hence, equation of d line whose x-intercept is 2 and y-intercept is 6 is 
,
which can be written as 3x + y = 6.
intermediate(ipc)course
(no)
(1460 Points)
Replied 13 September 2011
thank u-------------------------------------------------------------------------------------
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