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

What was the South’s greatest concern when California applied for statehood?
When MgCO3(s) is strongly heated, it produces solid MgO as gaseous CO2 is driven off.Does the oxidation number of carbon change upon the formation of CO2?
lara has a tin of peanuts cashews and pecans she will pick a second nut without looking. how many outcomes are there for her two picks?
How would you define psychological realism?
Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis b
What are the characteristics of mass culture?
If f(x) is 4x-3 what is (f^-1of) (10)
What was the South’s greatest concern when California applied for statehood?
What is the probability of someone correctly guessing your Social Security number? (Assume all digits 0-9 are available for use)a
wats the 60% off a prize that is $20.00