Alexziadavis
Alexziadavis Alexziadavis
  • 01-02-2018
  • Mathematics
contestada

If a line crosses though (5,-3) and (-1,6);what is the y-intercept?

Respuesta :

liemonder liemonder
  • 01-02-2018
(5,-3) (-1,6)
y=mx+b

calculate m:
(-3-6)/(5-(-1)
=-9/6=-1.5

y=-1.5x+b

insert the (5, -3) point to calculate b:

-3=-1.5*5+b
-3=-7.5+b
4.5=b

b=the y intercept, so the line intercepts x=0 at y=4.5
Answer Link

Otras preguntas

Kruger Motors Inc. deposited a check in its bank account, but the check has not been credited by the end of the month. What effect is seen in the bank reconcil
Displacement vectors of 4km north, 2km south, 5km north, 5km south combine to a total displacement of
In the figure below, P is the centroid of the triangle ABC. Find the length of AP and AR when PR is 6.
Multiply and simplify.
the name of the galaxy where the kepler 62 planetary system is located
A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. If each brick is 4 kilograms, what amoun
If body temperature is too high some blood vessels increase in size and sweat glands will excrete sweat resulting in a lower body temperature these changes are
HELP! Why Is this a right triangle? Explain. Thank you so much!
What was the name of the treaty that marked the end of world war 1?
I have been doing math all day, please help!