Question

For what value of x would the expression below be undefined?

Answer 1

it will be undefined when the denominator equals zero

Answer 2

will it always be zero?

Answer 3

no will only be zeros when x has one of the values in the 4 options
which option do you think will give the bottom of the fraction a value of 0?

Answer 4

denominator = bottom of fraction ( excuse me if you knew that already)

Answer 5

when will x - 7 be zero ??

Answer 6

x=7

Answer 7

right on

Answer 8

thanks i get it now

Answer 9

yw

Answer 10

you cant diide anything by zero - it makes no sense Thats why we say its undefined