please help im sorry that it's 4 problems

Answer:
the first 1 in standard form is [tex]y=-2x^{2} +8x-8[/tex]
12. [tex]y=2x^{2} +4x-16[/tex]
13. [tex]y=-3x^{2}+6x+9[/tex]
14.[tex]y=2x^{2} +2x-4[/tex]
Step-by-step explanation:
hope this helps have a good rest of your night/day :) ❤
can I get brainliest please I only have 4 plz