Question

The ardered.pairs.(0, 1), (3, 10) and (4, n) are solutions of the same linear equation. Find n.

n=

Answer 1

n = 13.

Explanation:

Slope of the line = (10-1)/3-0) = 3

So the equation of the line is:

y - 1 = 3(x - 0)

y = 3x + 1

When x = 4 y = n, so:

n = 3(4) + 1 = 13.

n = 13.