Question

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Answer 1

a) x^2-5x+6=0
delta=b^2-4ac
delta=(-5)^2-4.1.6
delta=25-24
delta=1
x=-b-/+ raiz de delta/2a
x=-(-5)-1/2.1
x=5-1/2
x=4/2
x=2
x=-(-5)+1/2.1
x=5+1/2
x=6/2
x=3
b) xv=-b/2a
xv=-(-5)/2.1
xv=5/2
yv=-delta/4a
yv=-1/4.1
yv=-1/4