Question

Makayla plotted two points (0,0) and (3,33), on a coordinate grid. Noah says that she is graphing a proportional relationship. Is Noah right?

Answer 1

Let:

k = Constant of proportionality

y = kx

for x = 0

y = k(0) = 0

For x = 3

y = k3 = 33

So:

k = 11

Yes, noah is right