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3 years ago

Please answer this question only if you know the answer! 30 points and brainliest!

Mathematics

1 answer:

Allisa [31]3 years ago

5 0

Answer:

(4, 3)

Step-by-step explanation:

If this point is reflected about the x-axis, the x-coordinate does not change. The original y-coordiate, -3, becomes +3.

A': (4, 3)

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Answer:

<em>The coordinates of b are: B=(-7,-8)</em>

Step-by-step explanation:

We are given the coordinates of the midpoint of $\overline{\text{AB}}$ as M=(-5,-2).

We are also given the coordinates of A=(-3,4). The question requires us to calculate the coordinates of the other endpoint B.

Let (xb,yb) the coordinates of B. The coordinates of the midpoint can be calculated as follows:

$\displaystyle x_m=\frac{x_a+x_b}{2}$

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$x_b=2\cdot (-5)-(-3)=-10+3$

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We can solve the second equation for xb and get:

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$y_b=2\cdot (-2)-(4)=-4-4$

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