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OpenStudy (donnie1999):
-------- WILL MEDAL -------- -------- HELP PLEASE -------- Determine in which direction the parabola below opens. y = x^2 - 7x + 18
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OpenStudy (donnie1999):
@mathmate @ganeshie8
OpenStudy (butterflydreamer):
to be honest, you can just focus on the "y = x^2......." part :) If you know what your general parabola looks like, y = x^2 -7x + 18 will be the same in the way it opens but the vertex and intercepts will be different :) Here's a comparison: |dw:1436878515043:dw|
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