Category: Math 11 PreCalc

https://www.youtube.com/watch?v=KTuTTKVZEWM

https://www.youtube.com/watch?v=nJJ8VQl5aZs

https://www.youtube.com/watch?v=I_4oyHeRCto

https://www.youtube.com/watch?v=rhOyLCEttEA

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

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 […]

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

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

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: