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Q3 of 87 Page 49

Determine the nature of roots of the following quadratic equation.
x² – 4x + 4 = 0

⇒

⇒

∴

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2

Find the value of discriminant.

2y² – 5y + 10 = 0

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Find the value of discriminant.

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Determine the nature of roots of the following quadratic equation.

2y² – 7y + 2 = 0

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Determine the nature of roots of the following quadratic equation.

m² + 2m + 9 = 0

Questions · 87

2. Quadratic Equations

1 2 3 4 5 6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 3 1 2 2 2 3 3 3 4 5 6 7 7 1 2 3 4 5 6 7 8 9 10 1 1 1 1 1 1 1 1 2 3 3 3 4 5 5 5 6 6 6 7 7 7 7 7 7 8 9 10 11 12 13 14 15

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