theviolingirl4939 theviolingirl4939
  • 02-09-2017
  • Mathematics
contestada

Find a point on the y-axis that is equidistant from the points (4, −4) and (1, 1).

Respuesta :

ghanami
ghanami ghanami
  • 07-09-2017
hello : 
a point on the y-axis is : P( 0, y)
PA = PB  or  PA² = PB².... A(4 , -4)    B(1,1)
(4-0)²+(-4-y)² = (1-0)² + (1-y)²
16 +y² +8y +16 = 1 + 1 -2y +y²
10y = -30
y = -3
Answer Link

Otras preguntas

For a second time there was no sign. Again no bridegroom and the priest in the house. She could not remember any other sorrow because this grief wiped them all
How is interest similar to sales tax and markups? How is it different
Fill in the blank with the correct form of ser. David y Roberto _____ amigos.
As a graphic artist, nate has just finished producing a new calendar. his calendar cost him $1.00 for the shiny paper, $2.00 for the six color production, and $
Treaty of Paris of 1783 (list terms of the treaty)
Which equation has the solution x = 3? Select each correct answer. x3+5=6 9−3x=0 2x + 4 = 10 9x−1=4 5x−7=1 3x + 1 = 9
Successful New World colonies were started by all of the following except: Columbus Balboa Cartier Champlain
describe two physical or behavioral adaptations that allow the cane toad to gain competitive advantage over populations of native species
2. Why were Progressive reformers worried about the government?
30 POINTS Ivan is saving money to buy a computer with. He started wih $225 in his savings account and the first week he added $75, the second week he added $20