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

Angela earns x dollars an hour. On Friday, she worked 6 hours. On Saturday, she worked 8 hours. Which expression shows how much she earned both days ? A. 6x +
solve for y by using elimination -4x + 8y = 10 7x + 9y = 19
Michelle is thinking of a shape. It is not a polygon. It has two sides what is it?
what is 1/3 + 7/12 x 4
How to balance chemical equations?
PLEASE HELP Find the length of PQ in circle R to the nearest hundredths F. 9.42m G. 4.71m H. 3.14m J. 1.57m
How did expanding democracy bring Andrew Jackson to power?
write the composite function that represents (goF)(x)
Which personal pronoun correctly completes the sentence? A flock of birds flew over __________. A. we B. his C. they D. them
It was the strength of the opposition forces, both liberal and conservative, rather than the ineptitude and stubbornness of President Wilson that led to the Sen