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

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

Write the chemical equation that the diagram represents. Please help I need to graduate!!

Arlington, TX is located at 32.7 degrees latitude on planet Earth. Whatline of declination on the celestial sphere passes directly over your head at 3

What is the value of the bisecting angle, x, marked on this square?

The Triffin paradox warned that the gold-exchange system of the Bretton Woods agreement was programmed to collapse in the long run. was indeed responsible for t

An electric lamp is marked 240v, 60wIt is left to operate for 1h. How muchheat is generated by the lamp

what is biologywhat is leaf

Grace needs 16 ribbons that are each 13.2 inches long for the craft she is making. How much ribbon does Grace need in all?

66) Savings Account.Christine Chu borrowed $4500 from a bank at a simple interest rate of 2.5% for one year. a) Determine how much interest Christine paid at th

What does your choice of career as a health care professional indicate?

The per-unit standards for direct labor are 2 direct labor hours at $15 per hour. If in producing 2200 units, the actual direct labor cost was $65600 for 4100 d