Question

which line has the same slope as the line passing through (- 4, -1) and (-1, 8)

Answer 1

The slope is [ 8 - (-1) ] / [ -1 - (-4) ] = 9 / 3 = 3;

The line has the equation: y - 8 = 3( x + 1);

y - 8 = 3x + 3;

y = 3x + 11.