Question

if (a,-2) lies on the graph of 3x-y=10 the value of a is

Answer 1

Answer:

Take x axis as a

Y axis as - 2

put both of them in the given equation

3(a) - (-2) = 10

3a + 2 = 10

By using transposition method

3a =10 - 2

a = 8/3

I hope this may help you