The point (m, -4) lies on the line x + y = 4, then the value of m is :
-6
6
-8
8
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Given,
Point (m, -4) lies on the line x + y = 4.
Substituting value of point in equation, we get :
⇒ m + (-4) = 4
⇒ m - 4 = 4
⇒ m = 8.
Hence, Option 4 is the correct option.
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The point of intersection of the lines x + y = 8 and x - y = 0 lies on the line mx - 2y = 0; the value of m is :
3
4
2
-2
The line x + y = 4 bisects the line segment joining the points (0, k) and (4, 0), the value of k is :
-4