Mathematics
Grade9
Easy

Question

Find the intercepts of 3x - y =9.

  1. (3, 0) and (0, 9)
  2. (3, 0) and (0, -9)
  3. (-3, 0) and (0, -9)
  4. (-3, 0) and (0, 9)

hintHint:

To find the intercepts from the equation we have to first change the equation in intercept form i.e.x over a plus y over b equals 1, a is x intercept and b is y intercept. Now we can tell the both intercepts.

The correct answer is: (3, 0) and (0, -9)


    Given equation, 3x-y=9
    rightwards double arrow fraction numerator 3 x over denominator 9 end fraction minus y over 9 equals 1
rightwards double arrow x over 3 minus y over 9 equals 1
    We know that intercept form is x over a plus y over b equals 1, a is x intercept and b is y intercept.
    So, the two intercepts are (3,0) and (0,-9).

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