Tuesday 4 March 2014

ALGEBRA C1

Find x intercept if 6x – 4y – 7 = 0.

Solution

x-intercept is when y=0.

6x – 4(0) – 7 = 0

6x – 0 – 7 = 0

6x – 7 = 0

6x  = 7

6x  = 7
6       6

x  = 7
       6

Hence x-intercept is (7/6, 0).


TRY THIS……..


Find x intercept if 9x -  5y - 4 = 0

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