lorakopp723 lorakopp723
  • 23-02-2018
  • Mathematics
contestada

a line passes through (-1,7)and(2, 10)

Respuesta :

helpmetnx helpmetnx
  • 24-02-2018
slope
m = (y2-y1)/(x2-x1)
m = (10 - 7)/(2 --1)
m = 3/3
m = 1

To find the equation
y = mx + b
m is slope
y = 1x + b
plug in one of the equations to solve for b
10 = 1(2) + b
10 = 2 + b
subtract 2 from both sides
8 = b

The equation is 
y = 1x + 8
or you can write it as
y = x + 8

Hope this helps
Answer Link

Otras preguntas

What might be the benefit and drawbacks to making society more equal
In general, markets are efficient when: prices respond quickly to new information. each successive trade is made at a price close to the preceding price. the
PLEASE HELP MEEEEEEEEEE
Endogamy is: a. the tendency of people to marry outside their particular group. b. related to the distrust of outsiders. c. enforced by deep taboos. d. the tend
Which statement best describes how luurucs felt after Pilar left home? She came to accept Pilar's qualities and choices that she had previously disapproved of.
15 POINTS A.S.A.P Why did Americans want to acquire California?
An almanac is a thesaurus. Please select the best answer from the choices provided OT OF
what will happen if i do this?
Please help me I’m so lost
choose the best description for the real number 34 /3