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4. Quadratic Equations
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Q59 of 134 Page 4


Determine whether the given quadratic equation has root (s). If so, find theroot (s): 3y 2+ 9y + 4 = 0.


a = 3, b = 9 and c = 4
Δ = b 2 – 4ac

= 9 2 – 4(3)(4)

= 81 – 48

= 33
Therefore the quadratic equation has real roots

.

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Questions · 134
4. Quadratic Equations
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