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Chapter 4: Q15. (page 211)

Write the ordered pair for each point.

E

Short Answer

Expert verified

The ordered pair for point Eis (鈭�3,鈭�3).

Step by step solution

01

Step 1. Observe the figure.

From the figure, it can be observed that it is thex-yplane with several coordinatesA,B,C,D,E,andFmarked on it.

02

Step 2. Define the coordinate of a point.

Coordinate or an ordered pairx,y of a point is a pair of numbers; that is, a number on the x-axis called an x-coordinate, and a number on the y-axis called a y-coordinate.

03

Step 3. Name the coordinates of the point E.

Steps to find the coordinate of point Eare:

  • PointE is 3 units away from the origin on the negative xaxis. Thus, the x-coordinate is -3.
  • Then the point Eis 3 units away from the origin on the negative yaxis. Thus, the y-coordinate is role="math" localid="1647506027920" -3.

From the given graph,

Therefore, the coordinates of a point Eis 鈭�3,鈭�3.

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Devonte's scores on his first four Spanish tests are 92, 85, 90, and 92. What test score must Devonte earn on the fifth test so that the mean will be exactly 90?

Write an equation in slope-intercept form for the line that passes through the given point and is perpendicular to the graph of the equation.

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c. If the electrician bills in quarter hours, how much would it cost for a job that takes 3 hours 15 minutes to complete?

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