Monday 21 November 2016

ALGEBRA 10


If 2x + 5y -9 = 0; find x-intercept.

Solution

x-intercept is when y=0.

2x + 5y -9 = 0

2x + 5(0) - 9 = 0

2x - 9 = 0

2x = 0+ 9

2x = 9
2      2

x= 9/2

Hence x= 9/2

TRY THIS………..


If 7x - 5y - 17 = 0; find x-intercept.


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