alyciaobel
alyciaobel alyciaobel
  • 01-12-2017
  • Mathematics
contestada

Write an equation in slope-intercept form of the line that passes through (7, 2) and (2, 12)

Respuesta :

dannielle
dannielle dannielle
  • 01-12-2017
y=ax+b
for x=7, y=2
7a+b=2

for x=2, y=12
2a+b=12

7a-2a+b-b=2-12
5a= -10
a= -10/5
a=-2
2a+b=12
2*(-2)+b=12
-4+b=12
b=12+4
b=16
y=-2x+16

Answer Link
masonlindseygd
masonlindseygd masonlindseygd
  • 08-12-2020

The straight answer:

y = -2x + 16

The answer below me is very detailed but doesn't show the answer clearly, so I helped.

Answer Link

Otras preguntas

With a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds i
Why does bromine have different colors?
The speed at which a bullet travels across earths surface (Magnitude of horizontal velocity) does not affect
Mr. Brown is going to start sleeping an extra 30 minutes each night. If d represents the number of days, which of the following expressions shows how many more
All New England was getting ready for war and needed:
Olivia has $18.50 with her. She wants to buy an equal number of cookies and cakes. If the price for each cookie is $0.65 and each cake is $3.25, what is the mos
Si cada cuadrado comprendido en el mapa, mide de arista 2 unidades, cuántas unidades cuadradas tiene el mapa
She slap the boys change to active voice
Use the long division method to find the result when 2x + 13x2 + 20x + 9 is divided by 2x + 9.
When an atom loses electrons, it becomes a