How do you plot the ordered pairs on the rectangular coordinate system (5.1, 3.2) and (-2.5, 4.9)?

1 Answer
smendyka
Mar 1, 2018

See a solution process below:

Explanation:

To plot points on the coordinate grid:

  • For the x value go to the right if the number is positive and to the left if the number is negative.

  • Then, for the y value go up if the number is positive and down if the number is negative.

First Plot: (5.1, 3.2)

Because the x value is positive go to the right 5.1 from the origin and then go up 3.2 because the y value is also positive:

graph{((x - 5.1)^2 + (y - 3.2)^2 - 0.025) = 0 [-8, 8, -1, 7]}

Next Plot: (-2.5, 4.9)

Because the x value is negative go to the left 2.5 from the origin and then go up 4.9 because the y value is positive:

graph{((x + 2.5)^2 + (y - 4.9)^2 - 0.025)((x - 5.1)^2 + (y - 3.2)^2 - 0.025) = 0 [-8, 8, -1, 7]}

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