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

Find the point of intersection of the lines 2x + 3 y = 7 and 3x + 5y = 3. step by step solution
2/3y + v = x (solve for x) please show work, thanks!
CAN SOMEONE HELP ME WITH THIS??????????????
10 points plz help Escribe este imperativo negativamente: ¡Di la verdad! Tell your Spanish teacher: Go to class.
What is an enumerated power of Congress? A. a power specifically named in the Constitution B. a power given to it by the Supreme Court C. a power considered
Write an equation for the graph below in slope-intercept form:
what caused the earth to develop layers as it cooled?
A stationery store sold 320 of two different types of pens for $190.55. One type of pen costs 25 cents and the other costs 80 cents. How many 80 cent pens were
I needed help with this page if anyone can help then please do thanks.​
This image shows the tops of several multicolored straws. In what ways does this image show unity and variety? Select three options. 1. unity in shape 2. unity