nateybirdzo9n
nateybirdzo9n nateybirdzo9n
  • 11-10-2016
  • Mathematics
contestada

A line passes through (−1, 5)(−1, 5) and (1, 3)(1, 3). which answer is the equation of the line? x y = 4 x y = 2 x 2y = 5 x 2y = 7

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 - 5 = ((3 - 5)/(1 - (-1)))(x - (-1))
y - 5 = (-2/2)(x + 1)
(y - 5) = -(x + 1) = -x - 1
x + y = -1 + 5
x + y = 4
Answer Link

Otras preguntas

is sharply a loaded word
Suppose the circumference of a circle is 8π. What is its area?
Magic squares when added all rows & columns equal the same #, such as the example on q #7. I need Question #8 . Please help
Can anyone help me write my MUN position paper?This is the example!
How do you do the equation 3.25 divided by 5.2
these triangles are similar. find the missing length, h. 7*6*7/2. 1*h*1/2
Which of the following statements about scientific models is true?a. Models are useful only if you can hold them in your hands.b. models are useful only if they
The following are all components of what? • positioning of actors on stage • scenic backgrounds • props and costumes • lighting and sound effects A. Staging
Robert Hook's discovery helped scientists learn more about _____.
'Work out the length of the line segment PQ. Give your answer correct to 3 significant figures.'