How to relate corresponding altitudes, medians and angle bisectors in similar triangles.
How to derive the area formula of a kite based on the rectangle formula; how to calculate the area of a rectangle using diagonal lengths.
How to use the ASA and AAS shortcuts to determine the congruence of two triangles.
How to define a tangent line; how to determine the angle a radius to a tangent forms.
How to interpret exponential expressions.
How to simplify products and quotients involving exponents.
How to simplify products involving zero and negative exponents.
How to simplify expressions with exponents.
How to derive the area of a trapezoid formula using the area of a rectangle.
How acids and bases are used in buffered solutions.
Random errors in genes and their effects.
How neutralization reactions produce salts.
How pH and pOH represent the concentration.
Understanding equilibrium systems.
How to define the midsegment of a trapezoid, calculate its length, and relate it to a triangle midsegment.
How to find the area of any parallelogram using rectangle area formulas.
How to evaluate the tangent of 3*pi/4.