Question

On which of the following lines does the point (1, 6) lie?




a.

y = x + 5


c.

y = 2x - 1


b.

y = -x + 7

d.

both a and b

Answer 1

plug in the numbers to each equation (from the choices) and see if it matches the point

Answer 2

a.
y=x+5
6=1+5
6=6 correct

c.
y=2x-1
6=2(1)-1
6=2-1
6=1? no

b.
y = -x + 7
6=-(1)+7
6=6 Correct!