The midpoint of segment XY is (3, -5), and point Y is located at (-1, -9). Find the coordinates of point X.

Mathematics

1 answer:

matrenka [14]3 years ago

5 0

Answer:

(7, -1)

Step-by-step explanation:

point X has the coordinates

( |-1-3| +3, |-9 - -5| + -5) = (4+3, 4-5) = (7, -1)

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Samantha is using a 2-liter pitcher to serve lemonade to 10 of her friends. How many times will she need to fill the pitcher in

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Hi, since 1000 milliliters = 1 liter

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Read 2 more answers

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denpristay [2]

Answer:

y = -3x -4

Step-by-step explanation:

A perpendicular line has a slope that is the negative reciprocal of that of the given line. When the equation starts out in standard form, a line with negative reciprocal slope can be written by swapping the x- and y-coefficients and negating one of them.

The given x- and y-coefficients have the ratio 1:-3, so we can use the coefficients 3 and 1 for our purpose.

The usual process of making the line go through a given point can be used. That is, we can translate the line from the origin to the desired point by subtracting the point coordinates from x and y. Then we have ...

3(x+3) +(y-5) = 0

This is "an" equation. It is in no particularly recognizable form. It can be rearranged to the form y = mx + b:

3x +9 +y -5 = 0 . . . . . eliminate parentheses

y = -3x -4 . . . . . subtract terms that are not "y"