ineedhelp1797
ineedhelp1797 ineedhelp1797
  • 25-11-2018
  • Mathematics
contestada

What is the value of k

What is the value of k class=

Respuesta :

jcherry99
jcherry99 jcherry99
  • 25-11-2018

y = f(x)

y = slope x + y intercept

y intercept = - 3

slope = -3/-1.5 = 2

Equation

f(x) = 2x - 3

y = g(x)

y = slope*x + y_intercept

The y intercept = 6

The slope I'd better do the long way.

Take two points on g(x)

(1.5,0) and (0,6)

y1 = 0

y2 =6

x1 = 1.5

x2 = 0

m = (6 - 0)/(0 - 1.5)

m = 6 / - 1.5

m = - 4

The equation of the line is

g(x) = - 4x + 6

g(x) = - 2(2x - 3)

g(x) = -2 * f(x)

Answer: k = - 2

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