Question

Determine the intercepts of the line.
-5x + 9y = -18


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Answer 1

Explanation:

Please make a point of memorizing the following:

1. To find the horizontal intercept, let y = 0 and solve for x.

2. To find the vertical intercept, let x = 0 and solve for y.

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1. horizontal intercept: let y = 0 and solve for x. We get -5x + 0 = -18, and so x = -18/-5 = 18/5. The horizontal intercept is at (18/5, 0).

2. vertical intercept: Let x = 0 and solve for y:

We get 0 + 9y = -18, or y = -2. Thus, the vertical intercept is at (0, -2).