Question

y = - x2 + 1 and y = x2. At which approximate points are the two equations equal?

Answer 1

\[y= -x ^{2}+1\]
\[y= x ^{2}\]

when they are equal:
\[-x ^{2} + 1 = x ^{2}\]

solve for x

remember +/- the sqrt

Answer 2

Wait what?? I'm confused.

Answer 3

you are given 2 equations for y

when they are equal you can set the 2 expressions (in x) equal:

when they are equal:
\[-x ^{2}+1 = x ^{2}\]

So you can find the values fro x where this is true

Answer 4

sorry comp sut down....

Answer 5

the 2 graphs are shown in sketch

they are equal where they intersect

solve the equation in my last post to find the 2 x values where they intersect