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Exercises Graphs and straight lines

Example 11.5 from Prealgebra, 11.1 Use the Rectangular Coordinate System

Use the Rectangular Coordinate System: example 11.5

Plot each point on a coordinate grid:

ⓐ $(0, 5)$
ⓑ $(4, 0)$
ⓒ $(−3, 0)$
ⓓ $(0, 0)$
ⓔ $(0, −1)$

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

1
Solution
1. ⓐ Since $x = 0,$ the point whose coordinates are $x = 0$ is on the $y -axis .$
2. ⓑ Since $y = 0,$ the point whose coordinates are $(4, 0)$ is on the $x -axis .$
3. ⓒ Since $y = 0,$ the point whose coordinates are $(−3, 0)$ is on the $x -axis .$
4. ⓓ Since $x = 0$ and $y = 0,$ the point whose coordinates are $(0, 0)$ is the origin.
5. ⓔ Since $x = 0,$ the point whose coordinates are $(0, −1)$ is on the $y -axis .$

Your turn

The book's Try It right after this example: same idea, new numbers. Only the answer is given.

Plot each point on a coordinate grid:

ⓐ $(4, 0)$
ⓑ $(−2, 0)$
ⓒ $(0, 0)$
ⓓ $(0, 2)$
ⓔ $(0, −3)$

How did it go?

PreviousUse the Rectangular Coordinate System: example 11.4 Next Use the Rectangular Coordinate System: example 11.6

From Prealgebra (1st edition) by OpenStax (Rice University), section 11.1, licensed under CC BY 4.0. Original at openstax.org. We split the solution into steps; the words, numbers and figures are the book's. OpenStax doesn't endorse this site.