Posted by Jen on Tuesday, June 9, 2009 at 6:27pm.
I assume you meant x^2 - y = 7
let's sub in the given point
Left Side = (-2)^2 - (-3)
= 4 + 3
= 7
Right Side = 7
Mmmhh, what do you think?
I think that makes sense, although I used 2 computer based calculators that told me the solution was -1. So the annswer is 7 and solution is a true statement.
- (-3) = + 3
I think you probably told the calculator 4 - 3 = 1 but it is 4 -(-3) = 4+3 = 7
Got it! Thanks!
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