francis4 francis4
  • 02-11-2016
  • Mathematics
contestada

A line that includes the points (7,f) and (3,-5) has a slope of 3. What is the value of f?

Respuesta :

Аноним Аноним
  • 02-11-2016
Slope: y change / x change

-5-f       -5-f       
-----  =  ------  
3-7         -4         

the numerator must be -12 because -4 x 3 = -12

what makes it -12?

-5-f=-12
-f=-7
f=-7

there you go!
Answer Link

Otras preguntas

A bag has five red marbles, six blue marbles, and four black marbles. What is the probability of picking a blue marble, replacing it, and then picking another b
Jonathan Swift, in his satire Gulliver's Travels, gives his horse-like creatures the name "Houyhnhnmns" in imitation of their ___ speech. A. bovine B. equine C.
19 scientist is most directly associated with formulating this view of the solarsystem(1) Ptolemy(3) Copernicus(2) DescartesNewton(A)
What statement makes the open sentence 12 + 3x = 30 true?
What is the value of the function y=2x-3 when x = –1? WILL UP VOTE FOR ALL FIVE QUESTIONS A. –5 B. 2 C. –1 D. 3
(-2√7x^2) * (1/3√28x^3)
which is a prime number 111 121 131 141
It is believed that solar nebular materials came from which of the following? a. Material from previous stars b. The sun c. Terrestrial planets d. Solar winds
The approximate mass of a nickel in kilograms is
A theme or message of war of the worlds