Instructional Video5:54
Brian McLogan

solve a quadratic equation by completing the square using given steps

12th - Higher Ed
πŸ‘‰ Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Instructional Video5:12
Brian McLogan

Write the equation of the polynomial given the zeros

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video7:54
Brian McLogan

Learn how to convert to vertex form by completing the square and then graph, y=x^2+4x+7

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratic equations by completing the square. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which...
Instructional Video3:36
Brian McLogan

Identifying the leading coefficient and degree to write the end behavior of a polynomial

12th - Higher Ed
πŸ‘‰ Learn how to determine the end behavior of the graph of a polynomial function. To do this we will first need to make sure we have the polynomial in standard form with descending powers. We will then identify the leading terms so that...
Instructional Video1:55
Brian McLogan

Solve by factoring when a perfect square

12th - Higher Ed
πŸ‘‰Learn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic equation is of the form y = x^2 +2cx + c^2, where c is a perfet square. There are couple of ways we can solve a...
Instructional Video2:30
Brian McLogan

How to factor a trinomial with a negative middle term

12th - Higher Ed
πŸ‘‰Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
Instructional Video6:41
Brian McLogan

Graphing a quadratic function by finding the vertex and x - intercepts

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratic equations by completing the square. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which...
Instructional Video5:18
Brian McLogan

How to apply synthetic division when the zero is a fraction

12th - Higher Ed
πŸ‘‰ Learn about dividing by synthetic division when the divisor is a fraction. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Instructional Video2:22
Brian McLogan

Factor a trinomial by first factoring out the GCF

12th - Higher Ed
πŸ‘‰ Learn how to factor polynomials by GCF. 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 it...
Instructional Video16:42
Brian McLogan

Master Determing the vertex, focus and directrix of a parabola by completing the square

12th - Higher Ed
Master Determing the vertex, focus and directrix of a parabola by completing the square
Instructional Video5:33
Brian McLogan

Completing the square by creating a fraction to graph a quadratic in vertex form

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratic equations by completing the square. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which...
Instructional Video2:04
Brian McLogan

How to simplify a rational trigonometric expression by factoring

12th - Higher Ed
πŸ‘‰ Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Instructional Video1:50
Brian McLogan

Multiply a Monomial by a Trinomial - Free Math Help Videos

12th - Higher Ed
πŸ‘‰ Learn how to multiply polynomials. We apply the distributive property to polynomials by multiplying a monomial to every term in a polynomial. When multiplying monomials it is important that we multiply the coefficients and apply the...
Instructional Video1:24
Brian McLogan

Applying the rules of exponents to multiply to monomials

12th - Higher Ed
πŸ‘‰ Learn how to simplify expressions using the product rule of exponents. The product rule of exponents states that the product of powers with a common base is equivalent to a power with the common base and an exponent which is the sum of...
Instructional Video5:17
Brian McLogan

How to find the solutions of an quadratic equation - Free Math Help

12th - Higher Ed
In this video tutorial I show you how to factor a trinomial when a is greater than one. We do this by either guess and check or using the diamond to find two values that multiply to give us a *c and add to give us b. We then use those...
Instructional Video7:05
Brian McLogan

Factoring trinomials when a is greater than 1 then solving 2x^2 -6x +4 , -3x^2 -10x +8=0

12th - Higher Ed
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...
Instructional Video2:38
Brian McLogan

How to write a polynomial in standard form when divided by a number

12th - Higher Ed
πŸ‘‰ Learn how to classify polynomials based on the number of terms as well as the leading coefficient and the degree. When we are classifying polynomials by the number of terms we will focus on monomials, binomials, and trinomials, whereas...
Instructional Video0:54
Brian McLogan

How to apply multiplication to write polynomial in standard form and find degree

12th - Higher Ed
πŸ‘‰ Learn how to find the degree and the leading coefficient of a polynomial expression. The degree of a polynomial expression is the the highest power (exponent) of the individual terms that make up the polynomial. For terms with more...
Instructional Video7:27
Brian McLogan

Learn how to simplify a trigonometric expression by factoring by grouping

12th - Higher Ed
πŸ‘‰ Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Instructional Video10:34
Brian McLogan

How to apply factoring to solve a trigonometric equation

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video7:03
Brian McLogan

How to use long division for dividing two polynomials

12th - Higher Ed
πŸ‘‰ Learn how to divide polynomials by quadratic divisors using the long division algorithm. Before dividing a polynomial, it is usually important to arrange the divisor in the descending order of powers of the variable(s). To divide a...
Instructional Video1:44
Brian McLogan

How to factor using grouping with multiple terms

12th - Higher Ed
Learn how to factor expressions of two variables by grouping. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. When a given expression can be grouped...
Instructional Video3:37
Brian McLogan

How to divide using synthetic division and write your remainder over your divisor

12th - Higher Ed
πŸ‘‰ Learn about dividing by synthetic division when the divisor is a fraction. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Instructional Video1:34
Brian McLogan

Finding the value to make a perfect square trinomial

12th - Higher Ed
πŸ‘‰ Learn how to find the value c that completes the square in a quadratic expression. A quadratic expression is an expression whose highest exponent in the variable(s) is 2. It is of the form ax^2 + bx + c where a, b, and c are constants....