Some algebra help?

9.  

 

What is the equation, in standard form, of a parabola that models the values in the table?

    x  –2   0     4 
 ƒ(x)     1  5  –59
10.  
11.  

 

What is the expression in factored form?

6x2 + 4x  

12.  

 

What is the expression in factored form?

4x2 + 11x + 6

13.