-4
-3
-2
-1
Correct answer is C
If the point of intersection is (1, -2), it implies that x = 1 and y = -2 when the two equation are solved simultaneously.
∴ substitute x = 1 and y = -2 in any of the equations
2y - k x + 2 = 0
2(-2) - k(1) + 2 = 0
-4 - k + 2 = 0
-4 + 2 = k
-2 = k
If \(K\sqrt{28}+\sqrt{63}-\sqrt{7}=0\), find K. ...
Find the value of m in the diagram ...
Simplify log101.5 + 3 log102 − log100.3...
The following is the graph of a quadratic friction, find the value of x when y = 0 ...
Write as a single fraction: \(\frac{5}{6r} - \frac{3}{4r}\)...
Evaluate log106 + log1045 - log1027 without using logarithm tables...
In the figure, PQRSTW is a regular hexagon. QS intersects RT at V. Calculate TVS ...