MathScienceTutor posts
Posts: 536
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Functions and Graphs
This precalculus provides a basic introduction into functions and graphs. It contains plenty of examples and multiple choice practice problems.
Complex Numbers - Practice Problems
This video tutorial provides a multiple choice quiz on complex numbers. It contains plenty of examples and practice problems.
How To Graph Polynomial Functions
This algebra 2 and precalculus video tutorial explains how to graph polynomial functions by finding x intercepts or finding zeros and plotting it using end behavior and multiplicity. This video also shows you how to factor a cubic polynomial function to convert it from standard form to factored form...
Logarithms - Practice Problems
This video tutorial provides plenty of practice problems on logarithms including multiple choice problems as well as free response problems.
Polar Coordinates - Basic Introduction
This Precalculus video tutorial provides a basic introduction into polar coordinates. It explains how to convert polar coordinates to rectangular coordinates and how to graph polar coordinates by plotting points using the radius of a circle and the angle measured counter clockwise from the positive ...
Graphing Polar Equations
This precalculus video tutorial focuses on graphing polar equations. It explains how to graph circles, limacons, cardiods, rose curves, and lemniscates. It provides plenty of examples and practice problems.
Complex Numbers In Polar Form - De Moivre's Theorem
This precalculus video tutorial focuses on complex numbers in polar form and de moivre's theorem. It explains how to find the products, quotients, powers and nth roots of complex numbers in polar form as well as converting it to and from rectangular form. This video contains plenty of examples a...
Vectors - Precalculus
This precalculus video tutorial explains the basics of vectors. It contains plenty of examples and practice problems of vector operations such as addition, subtraction and scalar multiplication as well as finding the magnitude and direction angle of the resultant force vector. This video is useful f...
Dot Product of Two Vectors
This physics & precalculus video tutorial explains how to find dot product of two vectors and how to find the angle between vectors. In addition, it explains how to determine if two vectors are orthogonal / perpendicular, parallel, or neither using the dot product formula and by analyzing the slope....
Partial Fraction Decomposition
This precalculus video tutorial provides a basic introduction into partial fraction decomposition. It contains plenty of examples and practice problems with repeated linear factors and repeated quadratic factors. Partial fraction decomposition is the process of taking a complex fraction and breaking...
Linear Programming
This precalculus video tutorial provides a basic introduction into linear programming. It explains how to write the objective function and constraints of linear programming word problems. It discusses how to find all of the corner points including the point of intersection where you have to solve th...
Conic Sections - Basic Introduction
This precalculus video tutorial provides a basic introduction into conic sections such as circles, ellipses, hyperbolas, and parabolas.
Graphing Circles & Writing Equations
This video tutorial explains how to graph circles in standard and how to write equations of circles in standard form. This video on conic sections contains plenty of examples and practice problems.
Writing Equations of Ellipses In Standard Form
This video tutorial explains how to write the equation of an ellipse in standard form as well as how to graph the ellipse not in standard form. it explains how to use the center of the ellipse and the foci to determine the values of a, b, and c. It also explains how to write the equation of the elli...
Hyperbolas - Conic Sections
This conic sections video tutorial provides a basic introduction into hyperbolas. It explains how to graph hyperbolas and how to find the coordinates of the center, vertices, and foci. In addition, it explains how to write the equations of the asymptotes.
Finding The Focus and Directrix of a Parabola
This video tutorial provides a basic introduction into parabolas and conic sections. It explains how to graph parabolas in standard form and how to graph parabolas with the focus and directrix. The vertex of the parabola can be identified by analyzing the equation in standard form.
Conic Sections Quiz
This precalculus video tutorial explains how to graph conic sections in standard form such as parabolas, hyperbolas, ellipses, and circles. This video contains plenty of examples and practice problems.
Arithmetic Sequences
This video provides a basic introduction into arithmetic sequences and series. It explains how to find the nth term of a sequence as well as how to find the sum of an arithmetic sequence. It also discusses how to distinguish a finite sequence from an infinite series. It also includes a few word prob...
