Question

The linear equation y=7x represents the cost y in dollars of x pounds of steak. Which ordered pair lies on the graph of the equation?

A ; 2,14
B ; 7,14
C ; 7,7
D ; 4,14

Answer 1

y = 7x

ur answer choices are set up as (x,y)....so it is just a matter of subbing

A. (2,14)....x = 2 and y = 14
now sub it into the formula and see what you get...
y = 7x
14 = 7(2)
14 = 14...this is correct...so this is the answer

Answer 2

B 7,14 is the answer