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OpenStudy (anonymous):
When the quadratic equation y = (x − 5)(2x + 3) is written in standard form, what is the value of the coefficient "b"?
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OpenStudy (oaktree):
Just multiply it out. FOIL.
OpenStudy (oaktree):
You get 2x^2-7x-15.
OpenStudy (oaktree):
Because the quadratic is Ax^2+Bx+C, then B=-7.
OpenStudy (oaktree):
OK?
OpenStudy (anonymous):
thankyou :p
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