A straight line makes intercepts of -3 and 2 on the x and y axes
FURTHER MATHEMATICS
WAEC 2022
A straight line makes intercepts of -3 and 2 on the x and y axes respectively. Find the equation of the line.
- A. 2x + 3y + 6 = 0
- B. 3x - 2y - 6 = 0
- C. -3x 2y - 6 = 0
- D. -2x + 3y - 6 = 0
Correct Answer: D. -2x + 3y - 6 = 0
Explanation
Recall:
| x a | + | y b | =1 |
Where 'a' and 'b' are the x and y intercept respectively.
| x -3 | + | y 2 | =1 |
2x-3y = -6
2x - 3y + 6 = 0 -------(1)
multiply through by -1
-2x + 3y - 6 = 0
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