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

Which is a primary document? a. letter b. dictionary c. textbook d. website
who do yall want to be president? a.trump b.hilary c.no one
the scatter plot below shows the number of pages scanned (y) in different number of hours (x) by a scanning machine: plot ordered pairs 0, 500 and 1, 1500 and 2
Cataract and lens replacement uses ____ different approaches
Which of the following is true of the ethnic composition of East Asia? On the border with Nepal and India, the _____ are the world's highest mountains.
What did it mean when the Dutch “kowtowed” to the Chinese emperor or his representatives?
An ordnance survey map is drawn to a scale of 1:50 000. Find the actual distance between 2 towns which are 12cm apart on a map?
how did increased trade influence the golden age of islam?
The ancient geographic setting of a region is known as its
Urgent help please can have any of these