is (7,23) a solution to y=7x+4

Answer 1

y =7x +4

plug in the point (7,23) see what happens

x=7, y = 23

23 = 7(7) +4 = 49+4 = 53

23 doesn't equal 53

in the grand scheme of things, maybe close, but no cigar

Nope

doesn't work

it's not a solution