Monthly Archives: April 2017

(After Test 3) Please make sure that you check the posts for the last two classes, which contain links and notes and also homework you should do if you have not already done it! There is WeBWorK as well. Wednesday … Continue reading →

Topics: • Please make sure that you review the material on Trigonometry from the last two classes. You must become very familiar with the two special right triangles, and with the standard position for a triangle in the coordinate plane. … Continue reading →

Test 3 review self-tests have been posted on Piazza, along with the answers and references to the textbook sections. For completing the square in the equation for a parabola, you should look at the WeBWorK assignment on parabolas (which uses … Continue reading →

Topics: • Trigonometry topic: special right triangles (continued) The two important right triangles are: • The isosceles right triangle, • The half of an equilateral triangle – which I will call the half-equilateral triangle for short. These are commonly called by other names … Continue reading →

Topics: • Solving systems of linear equations: what does “linear” mean? Classification according to the number of solutions. The pictures I used in class came from these two sites: Systems of linear equations at Math is Fun Solving linear systems … Continue reading →

Topics: • Completing the square to put the equation of a circle into its standard form • Brief review of solving a system of 2 linear equations in 2 variables by elimination • Solving a system of 3 linear equations … Continue reading →

(Wednesday after the test) Topics: • Completing the square to put the equation of a parabola into its vertex form , when the leading coefficient is not 1. Reminder: The method we use, which the WeBWorK leads you through step-by-step, … Continue reading →