Advertisements
Advertisements
प्रश्न
The point of intersection of 3x – y = 4 and x + 7 = 8 is
पर्याय
(5, 3)
(2, 4)
(3, 5)
(4, 4)
उत्तर
(3, 5)
Explanation;
Hint:
3x − y = 4 ...(1)
x + y = 8 ...(2)
(1) + (2) ⇒ 4x = 12
x = `12/4` = 3
Substitute the value of x = 3 in (2)
3 + 7 = 8
y = 8 – 3 = 5
The point of intersection is (3, 5)
APPEARS IN
संबंधित प्रश्न
Find the equation of a line whose inclination is 30˚ and making an intercept –3 on the Y-axis.
Find the equation of the median and altitude of ΔABC through A where the vertices are A(6, 2), B(– 5, – 1) and C(1, 9)
Find the equation of a straight line which has slope `(−5)/4` and passing through the point (– 1, 2).
You are downloading a song. The percent y (in decimal form) of megabytes remaining to get downloaded in x seconds is given by y = – 0.1x + 1 find the total MB of the song.
Find the equation of a line whose intercepts on the x and y axes are given below
4, – 6
Find the equation of a line whose intercepts on the x and y axes are given below
`- 5, 3/4`
Find the intercepts made by the following line on the coordinate axes
3x – 2y – 6 = 0
Find the intercepts made by the following line on the coordinate axes
4x + 3y + 12 = 0
If A is a point on the Y-axis whose ordinate is 8 and B is a point on the X-axis whose abscissae is 5 then the equation of the line AB is
A straight line has equation 8y = 4x + 21. Which of the following is true
