castashinealberma
castashinealberma castashinealberma
  • 11-10-2016
  • Mathematics
contestada

A line passes through (-1, 7) and (2,10) which equation is the equation of the line? -x y=12 -x y=8 -3x y=16 -3x y=4

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 12-10-2016
Equation of a line through two points is given by y - y1 = ((y2 - y1)/(x2 - x1))(x - x1)
y - 7 = ((10 - 7)/(2 - (-1)))(x - (-1))
y - 7 = (3/(2 + 1))(x + 1)
y - 7 = 3/3 (x + 1)
y - 7 = x + 1
-x + y = 1 + 7
-x + y = 8
Answer Link

Otras preguntas

2.7p + 0.1=46 plz help asap!!!
If there are 14 boys and 15 girls what is the probability that a boy will get choosen?
The sum of two numbers is 29 and their difference is 5 what are the two numbers
Stuck on b and c. Please help.
What problem did Rome try to solve by trading with Aksum
Explain why there are more substances on Earth than are listed on the periodic table of elements.
Refer to the excerpt from London Labour and the London Poor (1851) by Henry Mayhew on the Unit Test Reading Passages page. (1) The author's main purpose in thi
how many senate districts are there at the southern tip of florida
How did the U.S. government view its treaties with native americans'?
13. The two small dogs faced each other on the sidewalk outside the store. Their teeth were bared. The fur on their backs stood straight up, and low growls co