Doing Battle With Radical Equations
Students observe and solve examples of equations involving radicals. They complete a Doing Battle With Radical Equations worksheet and checklist.
9th - 12th Math 15 Views 55 Downloads
New Review Solving Quadratic Equations
Polynomials are full of solutions! Learners understand that the degree determines the number of solutions. Examples show quadratic equations solved by factoring and by using the quadratic formula. A cubic equation is even mixed in for...
8th - 11th Math CCSS: Adaptable
Simplifying a Radical Expression
Starting from the basic definition of a radical as a square root, this short but deep presentation walks the learner through irrational numbers, using prime factorization to simplify square roots, and rationalizing denominators. Each...
8 mins 9th - 12th Math CCSS: Designed
Extraneous Solutions to Radical Equations
Bringing it all together in this video, Sal incorporates the concepts from previous lectures (quadratic formula, multiplying polynomial expressions, radical expressions, exponents). This video would be a great way to end a unit or review...
4 mins 7th - 11th Math CCSS: Adaptable
Solving Absolute Value Inequalities
You know how to find absolute values and you know how to solve inequalities — but what happens when these two concepts are in the same problem? A YouTube video first reviews absolute values and moves on to solving absolute value...
8 mins 8th - 11th Math CCSS: Designed
Solving Quadratic Equations by Completing the Square
"The neat thing about completing the square is that it will always work," Sal explains, "no matter how crazy the problem is." A basic overview of how to complete the square, this video provides a good background for both beginning and...
4 mins 8th - 11th Math
Solving the Unknown with Algebra: Lesson 3: Functions and Formulas/Square Roots
This lesson has a number of fun worksheets for a pre-algebra or beginning algebra class. The main emphasis of this lesson is functions, formulas, and looking at square roots. It is the third lesson in a series on solving for unknowns,...
6th - 9th Math CCSS: Adaptable