karondajones30 karondajones30
  • 25-04-2020
  • Mathematics
contestada

Find the equation of the straight line through (3,4) and (5,6).

Respuesta :

Leora03
Leora03 Leora03
  • 25-04-2020

Answer:

y= x+1

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

Gradient of line = [tex] \frac{y1 - y2}{x1 - x2} [/tex]

Using the above formula,

Gradient

[tex] = \frac{6 - 4}{5 - 3} \\ = \frac{2}{2} \\ = 1[/tex]

Thus m=1. Substitute m=1 into the equation:

y= 1x +c

y= x +c

Susbt. a coordinate.

When x=3, y=4,

4= 3 +c

c= 4-3

c=1

Thus, the equation of the line is y= x+1.

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