Biquadratic equation - practice problems

The fourth-order equation in the form ax4 + bx2 + c = 0 is a biquadratic equation. It is solved by substitution t = x2, which converts the equation into a quadratic equation. It will give us one, two, or no roots. Subsequently, the substitution equation will be solved, which usually doubles the number of roots.

Direction: Solve each problem carefully and show your solution in each item.

Number of problems found: 27

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