| Q. |
What will be the slope of the line given by ax + by + c = 0? |
| A. | -a/b |
| B. | -b/a |
| C. | -c/a |
| D. | a/c |
| Answer» A. -a/b | |
| Explanation: the slope of a line given by the equation ax + by + c=0 has the slope of -a/b. so two lines having the same ratio of the coefficient of x and y will be parallel to each other. | |
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