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Mathematics 16 Online
OpenStudy (keana):

When the quadratic equation y = (x - 3)(2x + 7) is written in standard form, what is the value of the coefficient "b"? A: 2 B: -21 C: -1 D: 1

OpenStudy (mertsj):

Well, multiply the two binomials and see what the coefficient of x is.

OpenStudy (anonymous):

and i guess it's D

OpenStudy (mertsj):

yep

OpenStudy (anonymous):

and once u multiply the two binomials compare it with it's standard form that is ax^2+bx+c=o

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