alex145 alex145
  • 04-07-2016
  • Mathematics
contestada

what is the equation of a line that passes through (7,8) and has a slope of -3

Respuesta :

Mehek
Mehek Mehek
  • 04-07-2016
y = mx + b

m = slope = -3

y = -3x + b

We need to find b, so plug 7 for x and 8 for y

8 = -3*7 + b

8 = -21 + b

Add 21

29 = b

So the equation is y = -3x + 29.
Answer Link

Otras preguntas

the importance of metric prefix​
What is the BEST definition of deciduous? becoming inactive during the winter or other unfavorable times shedding leaves on a yearly cycle moving to an area tha
what is the magnification of a mirror that ​
Hey need help on this question. Could I have a simple explaination please as I find it difficult to understand things
Calculate the unpaid balance, finance charge, and new balance using the unpaid balance method. Note: Interest rate is given as a monthly rate Previous balance:
What is the value of x? (See attached image for details.) Enter your answer in the box. x =
in oliver twist how does dickens show that asking for more was absolutely against the rules and that oliver was being treated as though he has done something ve
which of the following travels the fastest​
3. At which ONE of the following temperatures do bacteria grow best? O 4°C O 37°C O -18°C O 70°C
math questionawdAawdadaDaWD