Determine the value of y, if x is 7. y = x2 - 1

Question

Determine the value of y, if x is 7.  y = x2 - 1

Neala · Answer

13 because if you plug in 7 y=7(2)-1 then do 7x2 and then it would be 14-1 so 13

Philomena · Answer

Answer:   13   Step-by-step explanation:   If x is 7, then 7 * 2 = 13, and 14 - 1 = 13.    Hope that this helps!