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 3 years ago
how to graph quadratic inequalities:
Number 6 on this worksheet http://www.kutasoftware.com/FreeWorksheets/Alg1Worksheets/Graphing%20Quadratic%20Inequalities.pdf
y => 2x^2+16x34
i divide everything by 2, flip the sign, then get y<x^28x+17
but when i plug in positive 1 into x, i get positive 10 and it's supposed to be negative 10 WHY??
 3 years ago
how to graph quadratic inequalities: Number 6 on this worksheet http://www.kutasoftware.com/FreeWorksheets/Alg1Worksheets/Graphing%20Quadratic%20Inequalities.pdf y => 2x^2+16x34 i divide everything by 2, flip the sign, then get y<x^28x+17 but when i plug in positive 1 into x, i get positive 10 and it's supposed to be negative 10 WHY??

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dcrose
 3 years ago
Best ResponseYou've already chosen the best response.0Why are you dividing by 2? It's already solved for y. Just graph y=2x^2+16x34 and the solution will be the region above that line
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