Question

When the quadratic equation y = (x - 5)(2x + 3) is written in standard form, what is the value of the coefficient "b"?

Answer 1

are you familiar with the FOIL method?

Answer 2

yes.

Answer 3

-7

Answer 4

ok, when you FOIL it out, the standard form is:
ax^2+bx+c

Answer 5

so it will be the coefficient of the x variable

Answer 6

the coefficient of x with degree 1

Answer 7

ay+bx+c=0 --> Standard Form

y=(x-5)(2x+3)
=2x^2+3x-10x-15
=2x^2-7x-15

Answer 8

thanks you guys