Question

Is n = 7 a solution to this equation?
129 = 2n^2

Answer 1

The right hand side of the equation is \(2n^2\).

What does this become when \(n\) is 7?

Answer 2

do you know what 7^2 is equal to ?

Answer 3

12

Answer 4

\[7^2 = 7\times 7 =?\]

Answer 5

Oh okay i got it thanks

Answer 6

so what does the right hand side of the equation become?

Answer 7

98

Answer 8

so when n=7,
the equation reduces to

129 = 98 (??!)

Can n=7 possibly be a solution to the equation?

Answer 9

No

Answer 10

it said i got it right

Answer 11

Good stuff.