Question

I NEED MAJOR HELP WITH QUADRATIC EQUATIONS

Answer 1

y= -x^2+2x-1

Answer 2

Use the quadratic formula

Answer 3

I dont know it! I dnt understand it i need major help
makes no sence

Answer 4

It is \[(-b \pm \sqrt{b ^{2}-4ac})\div2a\]

where a,b,c are the constants in ax^2+bx+c