Algebra II Sem 1 Helps

Unit 3.5 Completing the Square

There is a small mistake in this video at around 4:50 where the expression switches from x²+14x-49=0 to x²-14x-49=0 (the sign in front of the 14x switched). The correct final answer given at 7:10 should have been x = -7 ± 7√2.

Unit 5.5 Solving Polynomial Equations

Algebra II Sem 2 Helps

Extra: Solving Rational Expressions

This video is to give some extra help in solving rational expressions that the previous videos may have missed.

Unit 10.4 Random Variables

Unit 11.9 Trigonometric Identities