eritchloeCcacano
eritchloeCcacano eritchloeCcacano
  • 21-04-2016
  • Mathematics
contestada





what is the slope of the line that contains the points (-2,4) and (-3,-8)
a. -1/12
b. 1/12
c. -12
d. 12

Respuesta :

Panoyin
Panoyin Panoyin
  • 22-04-2016
[tex]m = \frac{y_{2}}{y_{1}}{x_{2} - x_{1}} = \frac{-8 - 4}{-3 - (-2)} = \frac{-12}{-3 + 2} = \frac{-12}{-1} = 12[/tex]

y - y₁ = m(x - x₁)
 y - 4 = 12(x - (-2))
 y - 4 = 12(x + 2)
 y - 4 = 12(x) + 12(2)
 y - 4 = 12x + 24
   + 4             + 4
      y = 12x + 28

The answer is D.
Answer Link

Otras preguntas

can someone please help me
The cost in pounds, C, of hiring a car is given by the formula C = 30 + 0.1m, where m is the number of miles travelled. Work out the value of C if a car is hire
Stewart owns an imprinting business and would like to get in on the current craze for movies based on Marvel’s comic book heroes. What does he need to do to leg
A bee flies at 15 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 10 minutes, and then flies directly back to the hive
What is the molar mass of
Watson and crick deserve credit for DNA because
A bouncy ball is dropped such that the height of its first bounce is 6 feet and each successive bounce is 60% of the previous bounce's height. What would be th
Check out this rectangular prism how can i find the surface area of the rectangular prism by using its nets?
Calculate the total loss after 4 years if 299000 is reduced by 4% per annum
The Sahara Desert is home to the semi nomadic peoples known as the Tuareg or "Blue People of Africa," the nomadic movement of the Tuareg take them from their ho