Question

Calcular a raizes em forma de Bháskara

A) y=x²+3x-10

b) y= 5x²-3x-2

Answer 1

a) y=x²+3x-10
y=3^2-4.1.(-10)
y=9+40
y=49

x'=-3+7/2
x'=4/2
x'=2

x"=-3-7/2
x"=-10/2
x"= -5

b) y= 5x²-3x-2
y=(-3)^2-4.5.(-2)
y=9+40
y=49

x'=-(-3)+7/10
x'= 10/10
x'= 1

x"= -(-3)-7/10
x"= -4/10
x"= -0,4