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Yuri [45]
3 years ago
6

Find the coordinates of the endpoint A given B (-3,5) is the midpoint of AC and C (1,-2)

Mathematics
1 answer:
WARRIOR [948]3 years ago
6 0

coordinates of endpoint A are (-7,12)

Step-by-step explanation:

We are given midpoint B (x,y)  =(-3,5)

One endpoint C (x₂,y₂)= (1,-2)

We need to find other endpoint A (x₁,y₁).

The formula to find midpoint is:

x=\frac{x_{1}+x_{2}}{2}\\y=\frac{y_{1}+y_{2}}{2}

We can find the coordinates of endpoint A using these formula.

We have x=-3, x₁=? and x₂= 1

Putting values and finding x₁

x=\frac{x_{1}+x_{2}}{2}\\-3=\frac{x_{1}+1}{2}\\-6=x_{1}+1\\-6-1=x_{1}\\x_{1}=-7

Now, y=5, y₁=? and y₂= -2

y=\frac{y_{1}+y_{2}}{2}\\5=\frac{y_{1}+-2}{2}\\5*2=y_{1}+-2\\10=y_{1}+-2\\10+2=y_{1}\\y_{1}=12

SO, coordinates of endpoint A are (-7,12)

Keywords: Midpoint of line segment

Learn more about Midpoint of line segment at:

  • brainly.com/question/10480770
  • brainly.com/question/11015073
  • brainly.com/question/3269852

#learnwithBrainly

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