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Chapter 3: Q18. (page 113)

Which of the following points lie on a horizontal line throughW?

a.(-2, 1) b. (2, 3) c.(1, -3) d.(-2, 0) e. (0, -3) f. (2, 0)

Short Answer

Expert verified

The point that lies on the horizontal line through pointWis option e.

Step by step solution

01

Step 1. Define coordinate of a point.

Coordinate (x, y) of apoint is an ordered pair of numbers; that is, a number on thex-axis called anx-coordinate, and a number on they-axis called ay-coordinate.

02

Step 2. Understand the graph.

From the graph, it is observed that the pointW lies on the third quadrant on the coordinate axis.

Since thex-coordinate andy-coordinate of pointW are -2 and -3 respectively, therefore, the vertical line for pointW is x = -2 and the horizontal line forW is y = -3.

03

Step 3. State the conclusion.

On the horizontal line y = -3, the point will be (0, -3). Thus, the answer is option e.

Thus, the point that lies on the horizontal line through point W is option e.

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