ALGEBRA 12

If 7x + 5y - 56 = 0; find x-intercept.

Solution

x-intercept is when y=0.

7x + 5y -56 = 0

7x + 5(0) - 56 = 0

7x - 56 = 0

7x = 0+ 56

7x = 56

7      7

x= 8

Hence x-intercept= 8

TRY THIS………..

If 8x - 7y - 40 = 0; find x-intercept.