daultonmuha2 daultonmuha2
  • 04-05-2017
  • Mathematics
contestada

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

Respuesta :

irspow
irspow irspow
  • 04-05-2017
y=mx+b and we are told that m, the slope, is -3 so

y=-3x+b, using point (7,8) we can now solve for b...

8=-3(7)+b

8=-21+b

b=29 so the line is:

y=-3x+29
Answer Link

Otras preguntas

There is 27 campers. This is nine times as many as the number of counselors. how many counselors are there?
Write the sum as a product of the GCF and a sum: 39 + 91
(8.41 x 10 to the fourth) + (9.71 x 10 to the fourth)
Mike sold half of his comic books and then bought 9 more. He now has 12. How many did he begin with?
describe all the numbera that when rounded to the nearest thousand are 645,000
A man hits a golf ball (0.2 kg) which accelerates at a rate of 20 m/s2. What amount of force acted on the ball?
is 4.110 greater than or less than 4.10
factor completely: 6m^2 - mn - 12n^2
A recipe that makes 7 servings calls for      cup of apple juice and  cup of cranberry juice. How many cups of juice are there per serving?  A.  B.  C.  D.
We walked to the park.  What is the complete predicate of this sentence?