Brian McLogan
How to write the standard form of a parabola
Learn how to write the equation of a parabola given a point on the parabola. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared). Recall...
Brian McLogan
Finding the vertex in vertex form by rewriting the equation
👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Brian McLogan
Graph a radian larger than a revolution using sixths
Graph a radian larger than a revolution using sixths
Brian McLogan
Learn to evaluate for the secant of an angle without using a triangle
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
How to find the zeros by factoring as well as label the multiplicity
👉 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
Pre-Calculus - Simplifying a radical by using the imaginary unit i, root (-24)
In this math tutorial I will show you how write a complex number in standard form after simple operations have been performed. You will learn how to find the value of real and imaginary numbers in a complex number and then write it in...
Brian McLogan
Pre-Calculus - Dividing by a complex number Pre calc help (6-5i) / i
In this video series I show you how to simplify rational complex numbers. We do this by eliminating dividing by an imaginary number. We can either do this by multiplying by i which produces -1 or multiplying by the conjugate of a...
Brian McLogan
Write the quotient in Standard Form
In this video series I show you how to simplify rational complex numbers. We do this by finding the complex conjugate of our denominator and multiplying both the numerator and denominator by this expression. It is important to use the...
Brian McLogan
Master Solving literal equations from standard form to slope intercept form
Master Solving literal equations from standard form to slope intercept form
Brian McLogan
Learn how to write the equation of a polynomial in standard form given 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
Learn how to divide a monomial into a polynomial
👉 Learn how to divide polynomials by a monomial using the long division algorithm. A monomial is an algebraic expression with one term while a polynomial is an algebraic expression with more than one term. To divide a polynomial by a...
Brian McLogan
Learn to write the equation of a polynomial with fractional zeros
👉 Learn how to write the equation of a polynomial when given fractional 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
Classify conic section
Learn how to classify a comic section in general form by using A and B. We will classify them as a Parabola, Circle, Ellipse and Hyperbola
Brian McLogan
How To Graph a Radian in Terms of pi
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
Graphing a radian in terms of pi in standard form
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
Learn How to Factor a Polynomial to Determine the Zeros
👉 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 factor out a GCF from a polynomial to then completely factor
Learn how to factor higher order trinomials. 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. To factor an algebraic expression means to break...
Brian McLogan
Factor out a fraction to complete the square and find the vertex
👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Curated Video
The Easy Way to Write a Number Phrase in Standard Form
In this short video we will learn the easy way to write a number phrase in standard form as we answer a standardized math test question. We will begin by understanding that the word "and" represents the decimal point when a number is...
Curated Video
Converting Numbers to Standard Form
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q8, which involves converting small and large numbers to standard form. Students will learn how to convert numbers to standard form by counting...
Curated Video
Converting Numbers to Ordinary and Standard Form
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q5, which involves the conversion of numbers to ordinary and standard form.
Brian McLogan
What is the slope of a linear equation
👉 Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e. linear equations has no exponents on their variables. The graph of a linear equation is a straight line. To...
Brian McLogan
Determining the quadratic equation given a vertex and a point
👉 Learn how to write the equation of a parabola given three points. The equation of a parabola is of the form f(x) = ax^2 + bx + c, where a, b and c are constants. Since, the equation of a parabola has 3 constants, three equations and...