Question

The graph of the equation ax + by +5 = 0 passes through the points (1,2) and (-1,0). find the a and b.​

Answer 1

solution.

ac + by + 5 =0 passes through (1,2) and (-1,0).

so, 1a + 2b + 5 = 0

a + 2b + 5 = 0

5 + 2b + 5 = 0

2b + 10 = 0

b = -5

and so,

-a + 5 = 0

-a + 5 = 0

a = 5

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Answer 2

Answer:

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