Question

What is the value of the coefficient b when the quadratic equation y=(3x-5)(2x+3) is written in standard form?
A: 19
B: 6
C: -15
D: -1

Answer 1

C

Answer 2

@Pac1f1cIslander You are wrong unfortunately.

Answer 3

\[(3x - 5)(2x + 3) = 3x(2x + 3) - 5(2x + 3) = 6x^{2} + 9x - 10x - 15 = 6x^{2} - x - 15\]This is in the form:\[ax^{2} + bx + c\]Which is the b-term?

Answer 4

Um...

Answer 5

What's cut off should be \[6x^{2} - x - 15\]

Answer 6

I really don't know ...

Answer 7

bx = -x
What is b?

Answer 8

-1 ?

Answer 9

No keana, 6 Option B is 6

Answer 10

It's definitely -1.