High School: Algebra


(+) Find the inverse of a matrix if it exists and use it to solve systems of linear equations (using technology for matrices of dimension 3 x 3 or greater).

October 1, 2018

Complete the square in a quadratic expression to reveal the maximum or minimum value of the function it defines.

October 1, 2018

Use the properties of exponents to transform expressions for exponential functions. For example the expression 1.15t can be rewritten as (1.151/12)12t ≈ 1.01212t to reveal the approximate equivalent monthly interest rate if the annual rate is 15%.

October 1, 2018