# Category: Math 11 PreCalc

## Math 10 Trig Review

1) SOHCAHTOA 2) Using SOHCAHTOA to calculate sides 3) Using SOHCAHTOA to caluclate angles

Sept 11, 2013 Factoring Radical Review gr 11 Answers Sept 26, 2013 Class notes finished Nov 26, 2013 Class notes finished

## Graphing Non-Linear Systems of Equations

This video uses substitution to solve and then checks by graphing. Pay close attention to the graphing part:

## PreCalc 11 Midterm Review 2013

Hi Everyone, Here are the answers to the midterm review that were not included in the package already. 9) (same as 10) x = (3+-sqrt65)/4 17 sinθ=-3/5, cosθ=-4/5, tanθ=3/4 18) sinθ=-12/13, tanθ=12/5 21) 130°  and 310° 22) b=5.4 cm 24a) ambiguous case: h<a<b   b) a<h 25) BC = 33.1 m 26k) (5sqrt6)/18 27) x≥-3 […]

## Graphing Non-Linear Inequalities in Two Variables

When y is present in the equation: When y is not present (ie, y=0) in the equation: More examples:

## Rational Equations

In the videos, you can move the captions to the side if it’s blocking your view.

## Mixed Operations

I couldn’t find any videos with BEDMAS & Rational Expressions. Just follow the rules of BEDMAS and you should be fine 🙂 Or, refer to my class notes. Complex Fractions: