ari3238 ari3238
  • 01-04-2020
  • Mathematics
contestada

A line contains the points (4,2) and (0,-1). What is the equation of the line?

Respuesta :

nktselepov
nktselepov nktselepov
  • 01-04-2020

the equation of the line is

[tex]y=kx+b[/tex]

let's create a system of equations

[tex]\left \{ {{2=4k+b} \atop {-1=0k+b}} \right. \\b=-1\\\\2=4x-1\\4k=3\\k=0,75[/tex]

so, the equation of the line is

[tex]y=0,75x-1[/tex]

P.S. Hello from Russia

Answer Link

Otras preguntas

Classify the following attributes as binary, discrete, or continuous. Also classify them as qualitative (nominal or ordinal) or quantitative (interval or ratio)
PLEASE HELP ILL GIVE BRAINLIEST
Question 2 of 10 A car with a mass of 2,000 kg travels a distance of 400 m as it moves from one stoplight to the next. At its fastest, the car travels at 18 m/s
Is best defined as the process by which a change in one part of a system results in changes to other parts of the system, which in turn affect the first part.
Part of the exposition of a story or play is the presentation of the initial conflict. Which parts of the excerpt indicate the initial conflict that drives the
PLEASE HELP 30 POINNTS URGENT rewrite 34 as a difference of two numbers
Where does the line y = 2x + 7 cross the y-axis?
Adrienne and Suki simplified the expression -8 -(-6). Whose answer is correct ? Explain where the error was made ... Adrienne: -8 -(-6)= 14 and Suki : -8 -(-6)=
? + (7x + 21) =180 7x+ ? = 180 7x = ? X= ?
I need it done assap