Question

If 8,x, y, -4 are in A.P, find X and Y.

Answer 1

Answer:

a+(n-1)d = -4

8+(4-1)d = -4

8+3d = -4

3d = -4-8

3d = -12

Divide both sides by 3

3d/3 = -12/3

d = -4

x = a+d

= 8+(-4

x = 4

y = a+2d

= 8+2(-4)

= 8-8

y = 0

Therefore; x is 4 and y is 0