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

Diatoms have cell walls composed of _____. A. silicon dioxide B. carbon dioxide C. chitin
what was the result of the presidential election of 1800
The LCM of two numbers is 60. The difference of two numbers is 3.
simplify. 5^-1(3^-2) (1 point)
Which central government agency was responsible to provide news on the war?
find the measure of one interior angle of a rug shaped like a regular octagon
Which words make up the prepositional phrase in this sentence? Can the players on the other team bring some extra hockey equipment? A. on the other team
How do you factor, 45c + 10d?
Put the definition of counterpart in less than 5 words
during a sale at the bookstore,books where sold for $3 and magazines where sold for $2.50 Jam spent $16 and bought a total of 6 books and magazines how many did