Q61 of 134 Page 4


Determine whether the given quadratic equation has root (s). If so, findthe root (s): 7z 2+ 8z + 2 = 0.


a = 7,

b = 8 and

c = 2
Δ = b 2 – 4ac

= (8) 2 – 4(7)(2)

= 64 – 56

= 8
therefore, the quadratic equation has real roots.


Therefore the roots are

And

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