Which of the following is a quadratic function ?
a. y=(x+2)(2x-3)
b. y=(3x-4)
c. y= 1/x^2
d. y=x(x-4)(x+3)

How do i do this activity, is appreciated

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Jacob is graphing the line represented by the equation  −6x−5y=12.−6x−5y=12.  he first plots the  x-x-  and  y-interceptsy-intercepts  as follows.    which statement is correct regarding the intercepts on the graph?