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

The base of a square pyramid has a side length of 7 inches. The height of the pyramid is 19 inches. What is the approximate volume of the pyramid? A. 133 in3
in the problem 10 - 4=6 what is the correct term for the number 4? a) product b) subtrahend c) difference d) minuend
how many seconds are in 10 hours
Paul bought a student discount card for the bus. The card allows him to buy daily bus passes for $1.50. After one month, Paul bought 15 passes and spent a total
What happens if your fingers twitch by itself/themself?
the absolute value of the sum of two different integers with the same sign is 8. Pat says there are three pairs of integers that's match this description. Do yo
Two gases are placed in a sealed flask and allowed to react. Which statement is true about the concentrations of the reactants and products when this closed sys
What happens if your fingers twitch by itself/themself?
what is the difference of three numbers times a number and half the number 60?
Energy in an ecosystem flows directly from _______.