Question
find the zeros of f,f(x) = 2x2 + x − 21
x= ? larger value
x= ? smaller value
x= ? larger value
x= ? smaller value
Answers
Ms. Sue
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Please show your work. Tutors will not do your homework for you. Please show your work for any question that you are posting.
Please show your work. Tutors will not do your homework for you. Please show your work for any question that you are posting.
Steve
that said, here's a tip:
2x^2+x-21 = (2x+7)(x-3)
2x^2+x-21 = (2x+7)(x-3)