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Mathematics 21 Online
OpenStudy (anonymous):

What is the vertex of the graph of y = −2x2 + x + 3? The answers are weird,,,,

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

what did you get for the x coordinate

OpenStudy (anonymous):

I got 1/4

jimthompson5910 (jim_thompson5910):

good

jimthompson5910 (jim_thompson5910):

you then plug that into the equation to find y

OpenStudy (anonymous):

ok

jimthompson5910 (jim_thompson5910):

tell me what you get

OpenStudy (anonymous):

I got 3.125

jimthompson5910 (jim_thompson5910):

convert that to a fraction

OpenStudy (anonymous):

k

jimthompson5910 (jim_thompson5910):

that gives you ???

OpenStudy (anonymous):

25/8

jimthompson5910 (jim_thompson5910):

perfect

OpenStudy (anonymous):

ok thanks again

jimthompson5910 (jim_thompson5910):

sure thing

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