handsomesoso27 handsomesoso27
  • 01-11-2018
  • Mathematics
contestada

Y is the midpoint of AB, The coordinates are A(-3,-7) and B(-1,1) What is the coordinate Y?

Respuesta :

gmany
gmany gmany
  • 01-11-2018

The formla of a midpoint of AB:

[tex]M\left(\dfrac{x_A+x_B}{2},\ \dfrac{y_A+y_B}{2}\right)[/tex]

We have A(-3, -7) and B(-1, 1). Substitute:

[tex]x_M=\dfrac{-3+(-1)}{2}=\dfrac{-4}{2}=-2\\\\y_M=\dfrac{-7+1}{2}=\dfrac{-6}{2}=-3[/tex]

Answer: M(-2, -3)

Answer Link

Otras preguntas

List the major productivity changes in shipping during the colonial period: 1. __________________________ 2.__________________________ 3._______________________
What is 5 3/20 as a decimal?
The number of students at marita's school decreased to 98% of last year's number currently there are 1170 students how many students were there last year round
Which statements are true about the ordered pair (2, 3) and the system of equations? 3x+4y=18 2x−2y=2 Select each correct answer. When (2, 3) is substituted int
Why did parliament pass the tea act?
What are physical properties of elements?
josh created a pattern by using tiles. 20 tiles were blue. the rest of the pattern used equal numbers of red & white tiles. 40% of the tiles were blue. how
Is treating members of a particular race differently than other people.
Add. (-3a^2+4a–6)+(-a^2–9)
What is the greatest prime you must consider to test whether 4955 is prime?