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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
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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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