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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
 one year ago
 one year 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
 one year ago
 one year 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.
 one year ago

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

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

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