How to solve define intersection.
How to calculate the hypotenuse in a right triangle given the lengths of the legs using the Pythagorean Theorem.
How to use the Pythagorean Theorem to find a missing leg, given the length of the hypotenuse and a leg.
How to relate area of rectangles to multiplying polynomials.
How to find the domain and graph radical equations.
How to graph radical functions without making a table of values.
How to graph a line by making a table of values.
How to evaluate the limit of a function at points where it is not continuous.
How to evaluate the limit of a function as x goes to infinity (or minus infinity), and how to determine the horizontal asymptote of its graph.
How to compute the average velocity of an object moving in one dimension from a graph of its position vs. time.