Question

State with reason whether the point (3, −2) will lie on the graph of the equation 5m – 3n = − 21

Answer 1

L.H.S. = 5m – 3n

= 5(3) – 3(– 2)

= 15 + 6

= 21

≠ R.H.S

∴ The point (3, – 2) does not lie on the graph of 5m – 3n = – 21.