Question

A portion of the graph of the function y = 2x2 - 7 is shown on the grid below.

For which other value of x does y equal 1?

Answer 1

i have no idea how to do this one :/

Answer 2

y=1 or 0
make this question clear

Answer 3

-1?

Answer 4

For which other value of x does y equal 1?

this is not clear

Answer 5

1 im guessing.

Answer 6

does that help you at all?

Answer 7

ok if we look to the graph the value of y =1 occur at x= 2
thus at x = -2 the value of y will become 1 again
thus the desired value of x is -2
therefore x= -2

Answer 8

you rock thanks for actually helping me understand it

Answer 9

welcome