Advanced Functions (MHF4U) · Polynomial Functions

Solving Polynomial Equations and Inequalities

30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.

Start the 30 questions Curriculum: MHF4U-PF.3

Sample: the first question, solved

Solve x³−x=0 by factoring.

📘 Worked solution
Factor out x: x(x²−1)=x(x−1)(x+1)=0, so x=0, x=1, or x=−1.

And one from the hard end

"Solve x⁴−5x²+4=0, treating it as a quadratic in x² first."

Solution shown after you try it in practice mode.

Work through all 30, easiest to hardest

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