What equation that passes through a line (1, - 1) and (3, 5).

so the equation of the line is y = 3x - 1

Explanation:

soln

you find the slope

slope=5 - - 1

3 - 1

=6

2

slope=3

2. Then you find the equation

y - 5 = 3

x - 2

3. you close multiplication

y - 5 = 3 (x - 2)

y - 5 = 3x - 6

4. you correct like terms together

y = 3x - 6 + 5

y = 3x - 1