Lessons

Two lessons are open without an account. Two more are reviewed and wait behind the study gate. We do not invent the rest of the year as a fake complete journey.

Factoring and invalid operations

Lesson 2 · public

Factor polynomials using common factors and difference of squares, and reject algebraic cancellations that change the function.

~28 min

Start

Average rate of change

Reviewed · after the gate

Compute average rate of change from a formula, table or graph, and interpret the result with units and interval.

~30 min

Opens after two lessons

Polynomial zeros and end behaviour

Reviewed · after the gate

Determine zeros from factored form, including multiplicity, and describe end behaviour from degree and leading coefficient.

~32 min

Opens after two lessons

Holes versus vertical asymptotes

Lesson 1 · public

Distinguish a removable discontinuity from a vertical asymptote and preserve the original domain when simplifying a rational function.

~36 min

Start

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