Katelyn11111 Katelyn11111
  • 01-09-2017
  • Mathematics
contestada

Find the equation of a line passing through (-2,4) and ( 0,8)

Respuesta :

authenticricket
authenticricket authenticricket
  • 01-09-2017
eqn of line: y = mx + c
where m is the gradient and c is the y intercept
gradient = (8-4)/(0-(-2)) = 4/2 = 2
thus y = 2x + c
sub (0,8) into this eqn
8 = 2(0) + c
c = 8
eqn of line: y = 2x + 8
Answer Link

Otras preguntas

solve the formula for the indicated variable (b=rw+r,for w  sollution w=____)
3)    Write an equation for a graph that is the set of points in the plane that are equidistant from the point  F(6,0) and the line x = -6.
3)    Write an equation for a graph that is the set of points in the plane that are equidistant from the point  F(6,0) and the line x = -6.
Could you tell me what Are Spores?
why does the same side of the moon always face the earth?
Express the exact value of csc 60 degrees with a rational denominator?
How do you divide with a two digit number? Like 183 850 divided by 48.
What is an object with a very high resistance classified as?
how are airplanes artificially pressurized?
factoring, x squared +x-6?