Question

y=x²-3x+2

preciso da raiz quadrada​

Answer 1

Delta = b^2 - 4.a.c
= (-3)^2 - 4. 1.2
= 9 - 8
= 1

x= -(-3) +/-raiz de delta /2
= 3-1/2
= 1

x’=3+1/2
= 2