wnoe2004 wnoe2004
  • 03-04-2020
  • Mathematics
contestada

Write the equation of a line whose slope is -2 and goes through the point (1,-1)

Respuesta :

andreamoss andreamoss
  • 03-04-2020

Answer:

y= -2x+1

Step-by-step explanation:

y=mx+b

Substitute the ordered pairs into the equation

So:

y= -1   m(slope) = -2  x=1   b=?

-1 = (-2)(1) + b

-1 = -2 +b  add 2  on both sides to get b by itself

-1 +2 = b

b=1  

Answer Link

Otras preguntas

When was William Shakespeare born
How many minutes are in 36 hours?
A 1 digit number and a 3 digit number have a sum of 205.  The same two number have a difference of 195, a product of 1,000 and a quotient of 40.  What are the t
in an expression(8/9) squared (-81)+3/5dividedby-9/10
How does transpiration play a  role in the water cycle ?
Rewrite the function c(x) =9(x+3) using the distributive property
A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s , as shown in the figure . The stairs are angled at
Why is RNA necessary to act as messenger?
is it possible for a distance versus-time graph to be a vertical line?
Nadine can send or receive a text message for 15 cents or get an unlimited number for 5 dollars. Write and solve an inequality to find how many messages she can