Brian McLogan
Write the equation of the polynomial given the zeros
👉 Learn how to write the equation of a polynomial when given complex zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Brian McLogan
Why do we add intervals of pi halves to our solution
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Multiple examples on how to graph the reciprocal function
Multiple examples on how to graph the reciprocal function
Brian McLogan
How to write the polynomial equation when given three zeros
👉 Learn how to write the equation of a polynomial when given rational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Brian McLogan
Using Descartes Rule of Signs to determine possible number of solutions
👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
Brian McLogan
How to determine a polynomial when given the zeros
👉 Learn how to write the equation of a polynomial when given rational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Brian McLogan
Write the equation of the polynomial given the zeros
👉 Learn how to write the equation of a polynomial when given irrational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers....
Brian McLogan
Using the Zeros to find a polynomial - Online Tutor
👉 Learn how to write the equation of a polynomial when given rational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Brian McLogan
Master graphing tangent and cotangent with a change in period
Master graphing tangent and cotangent with a change in period
Brian McLogan
Tutorial for writing the equation of a cubic function from a graph
👉 Learn how to write the equation of a polynomial when given rational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Brian McLogan
Asymptotes and Intercepts of a Rational Function
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Brian McLogan
Asymptotes and intercepts
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Brian McLogan
How to find the real zero of a cubic function
👉 Learn how to find all the zeros of a polynomial. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a polynomial are the values...
Brian McLogan
How to graph logarithmic equations
👉 Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
Factoring out a GCF then factoring using various methods
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Brian McLogan
Two ways to write the x and y intercepts of a graph
👉 Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Brian McLogan
How do you solve quadratic equation
👉Learn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Brian McLogan
Solve for x in the slope intercept formula ex 19
👉 Learn how to solve literal equations involving formulas. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the...
Khan Academy
Khan Academy: Algebra: X and Y Intercepts
This video demonstrates how to find the x and y intercepts given a linear equation. Once the intercepts are found it also shows how to graph the line on a coordinate plane. Practice problems available. [4:08]
Khan Academy
Khan Academy: Algebra: X and Y Intercepts 2
This video demonstrates how to find the x and y intercepts given a linear equation. Once the intercepts are found it also shows how to graph the line on a coordinate plane. Practice problems available. [3:25]
Virtual Nerd
Virtual Nerd: Write the Equation of a Line in Slope Intercept Form Using a Graph
View this tutorial to see how to take two points on the graph of a line and use them to find the slope-intercept form of the line. [4:45]
Khan Academy
Khan Academy: Graphing Line Using Intercepts: X and Y Intercepts
This video demonstrates how to find the x and y intercepts given a linear equation.
Khan Academy
Khan Academy: Intercepts From an Equation
Given an equation, this video shows how to find the intercepts and then use them to graph the line on the coordinate plane. [4:04]
Khan Academy
Khan Academy: Intercepts From a Table
Sal finds the y-intercept of the graph of a linear function given a table of values. [3:59]