# The Law of Sines – No Solution (SSA)

This video explains how there can be no solution when using the Law of Sines to solve a triangle.

# Solve A Rational Equation (No Solution) x/(3x-9)-6=1/(x-3)

This video explains how to solve a rational equation and determine if there are any extraneous solutions.

# Proof: Shortcut Method of Squaring a Two Digit Number

This video explains how to square any two digit number without using a calculator and shows the proof.

# Square Any Two-Digit Number without Using Calculator

This video explains how to square any two digit number without using a calculator.

# Square a Two-Digit Number Ending in 5 without Using a Calculator

This video explains how to square a two-digit number ending in 5 without using a calculator.

# Approximating Square Roots Using Division (No Calculator Required)

This video explains a process involving division that can be used to approximate square roots.

# Ex: Evaluate Logarithmic Expressions without a Calculator – Different Bases

This video explains how to write a logarithmic equation as an exponential equation to determine the value of a logarithmic expression.