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rebecca1233
Group Title
Determine whether the graph of y = 3x^2 + 2x − 10 opens up or down and whether it has a maximum or minimum point.
Up; Minimum
Up; Maximum
Down; Minimum
Down; Maximum
 2 years ago
 2 years ago
rebecca1233 Group Title
Determine whether the graph of y = 3x^2 + 2x − 10 opens up or down and whether it has a maximum or minimum point. Up; Minimum Up; Maximum Down; Minimum Down; Maximum
 2 years ago
 2 years ago

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gaurav89 Group TitleBest ResponseYou've already chosen the best response.1
someone just asked this .. here was my ans Easiest if you graph it. it opens up bc coefft of x^2 is positive And has a min. Differentiate, get slope, see where slope = 0.
 2 years ago

rebecca1233 Group TitleBest ResponseYou've already chosen the best response.0
Thank You! Can you help me some more please :)
 2 years ago

slaaibak Group TitleBest ResponseYou've already chosen the best response.0
Standard from: y = ax^2 + bx + c Now, the a will tell you everything. When the a is negative, it will go down. Therefore, it has a maximum. if a is positive, it will go up. Therefore it has a minimum
 2 years ago

rebecca1233 Group TitleBest ResponseYou've already chosen the best response.0
okay thanks. can you help me some more :)
 2 years ago

rebecca1233 Group TitleBest ResponseYou've already chosen the best response.0
http://openstudy.com/study#/updates/502539a7e4b0d38989b738c5
 2 years ago

gaurav89 Group TitleBest ResponseYou've already chosen the best response.1
graph it on yr phone  youll see it opens up. and maybe also plot some points
 2 years ago
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