Factored form: (-x-4) (x-6)
Standard form: y= −x^2 + 2x + 24
Zeros: -4, 6
Answer:y=-3
Step-by-step explanation:yes firs multiply everything by -3 in parenthesies
Then you would subtract 15 from both sides
Next you would divide 9 by -3 and you would get -3
So y =-3
Answer:

Step-by-step explanation:
We must develop three equations in three unknowns.
I will use these three:



8.54. The last number is low so it can not round up to 5