Professor HJ

Math 220 section 1.3 questions

How to use a unit circle to solve a trigonometric equation?

Long Division of Polynomials

How to find all real zeros of a polynomial

Find the critical numbers for a trigonometric function

find x such that f'(x)=0

Use Pascal Triangle to Expand a Binomial

How to do a long division

How to solve an inequality containing fractions

How to solve a quadratic equation by factoring method

How to multiply expressions that involve square root of negative numbers

How to solve a related rate problem ?

How to find the minimum or maximum of a quadratic function without completing the square ?

How to find a general rule for higher derivative

How to convert a quadratic function to standard form ?

How to find the first and second derivatives implicitly?

How to find an inverse function ?

How to determine coefficients to make a piecewise defined function differentiable?

How to determine if a piecewise defined function is continuous ?

How to find a difference quotient?

How to dilute 91% rubbing alcohol to 70% rubbing alcohol?

Applications of Linear equations: How to solve a liquid mixture problem using a linear equation

Applications of Linear Equations: How to solve a dry mixture problem

Applications of Linear Equations: How to solve an investment problem?

How to solve a quadratic inequality and graph its solution set

How to find a limit using a special limit of trigonometric function

How to use a special limit of sin(x)/x as x approaches 0 to find limits of functions

How to use the squeeze theorem to find the limit of a function

How to solve a quadratic equation with complex solutions by the quadratic formula

How to evaluate a power of i