Question

resolver as equaçoes numericas de 2 grau:
5x²=0
x² + x =0
4x² - x = 0
R² - 16 = 0
4y² - 9 = 0
x² + 1 = 0
me ajudem por favor

Answer 1

a)x²=5
x=√5

b) x(x+1)=0
x'=0  x''=-1

c)x(4x-1)=0
x'=0 x''=-1/4

d) R²=16
   R=√16
 R=4

e)4y²=9
 y²=9/4
 y=√9/4
 y=3/2

e)x²= -1
 x= √-1