Question
Find the coordinates of the points where the graph 57x
– 19y = 399 cuts the coordinate axes. (a) x – axis at (– 7,0) and y – axis at (0, – 21) (b) x – axis at (– 7,0) and y – axis at (0,21) (c) x – axis at (7,0) and y – axis at (0, – 21) (d) x – axis at (7,0) and y – axis at (0,21)Solution
For coordinate a x is Þ x = 0, y = 0 Then, 57x – 19y = 399 cut coordinate a x is when x = 0 – 19y = 399  y = – 21  Þ (0, – 21) When, y = 0 57x = 399  x = 7 = (7, 0) Option 3 is right
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