SOLUTION: Point A is the origin. Find the coordinates of the two points that are 5 units distant from A, and have x-coordinates of +3. (Hint: Make a sketch. The two points fall on the line

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Question 752343: Point A is the origin. Find the coordinates of the two points that are 5 units distant from A, and have x-coordinates of +3. (Hint: Make a sketch. The two points fall on the line x=5, and therefore have coordinates (5,y) where y is unknown. Use the distance formula, suitably rearranged.)
Answer by reviewermath(1029)   (Show Source): You can put this solution on YOUR website!
Q:
Point A is the origin. Find the coordinates of the two points that are 5 units distant from A, and have x-coordinates of +3. (Hint: Make a sketch. The two points fall on the line x=, and therefore have coordinates (,y) where y is unknown. Use the distance formula, suitably rearranged.)
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A:
The distance between the origin and (3, y) is
= 5
= 5, square both sides
= 25
= 16, get the square root of both sides
y = ±4
The two points are (3,4) and (3,-4).

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