Brian McLogan
Finding the domain range and graphing a quadratic
๐ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
Determining the quadratic equation given a vertex and a point
๐ 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...
KnowMo
Understanding Inequalities: Representing and Solving on a Number Line and Graph
This is a tutorial video on understanding inequalities in mathematics. The video covers the symbols for inequalities, representation of inequalities on a number line, solving linear inequalities, solving quadratic inequalities, and...
Brian McLogan
What do the number of zeros tell us about the degree of a polynomial
๐ Learn about zeros and multiplicity. The zeroes of a polynomial expression are the values of x for which the graph of the function crosses the x-axis. They are the values of the variable for which the polynomial equals 0. The...
Brian McLogan
Solving using the quadratic equation - Math test answers - Math help
๐Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
Summary for solving a quadratic by the quadratic formula
๐ Learn all about the quadratic formula. The quadratic formula is a formula which can be used to find the roots of (solve) a quadratic equation. The quadratic formula is given by x = (-b +/- sqrt(b^2 - 4ac)) / 2a, where a is the...
Brian McLogan
Solving a polynomial to determine the zeros compared to factors
๐Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
Factors and x intercepts of a quadratic function
๐Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
How do you algebraically find the axis of symmetry of a quadratic
๐ Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
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
Find the vertex and x intercept of a quadratic
๐ Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Brian McLogan
Solving a quadratic using the square root method
๐Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Brian McLogan
How do you factor a trinomial when a is equal to one
๐Learn the basics of factoring quadratics by using different techniques. Some of the techniques used in factoring quadratics include: when the coefficient of the squared term is not 1. In that case, we first write the quadratic in...
Brian McLogan
ACT SAT Prep How to determine the missing value of a quadratic given one solution
ACT SAT Prep How to determine the missing value of a quadratic given one solution
Curated Video
Graphing Quadratic Functions: Identifying Features and Direction
In this video, the teacher explains the concept of parabolas and how to determine whether they open up or down. They also review the order of operations and the standard form of a quadratic function.
FuseSchool
Drawing Quadratic Graphs
Learn how to plot quadratic curves, using a table of values. Quadratic curves are either a U shape, if they are positive quadratics, or upside down U if they are a negative quadratic. To plot them onto a graph, substitute in x-values...
Brian McLogan
Solve by factoring a perfect square trinomial with a fraction
๐Learn 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...
Brian McLogan
Learn How to Factor This Trinomial Using AC Method and Grouping
๐Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Determine if a piecewise function is continuous or discontinuous
๐ Learn all about the Limit. In this playlist, we will explore how to evaluate the limit of an equation, piecewise function, table and graph. We will explore continuity as well as discontinuities such as holes, asymptotes and jumps and...
KnowMo
Solving Quadratic Inequalities by Graphing and Factoring
This video provides a comprehensive tutorial on how to solve quadratic inequalities. The instructor uses several examples to demonstrate the process, beginning with inputting values and sketching the graphs of the quadratic equations...
Brian McLogan
Learn the basic way to factor a trinomial
๐Learn 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...
Brian McLogan
ACT SAT Prep How to determine the number of intercepts of a polynomial factored
ACT SAT Prep How to determine the number of intercepts of a polynomial factored
Brian McLogan
Overview of exponential graphs
๐ Learn all about graphing exponential functions. An exponential function is a function whose value increases rapidly. To graph an exponential function, it is usually useful to first graph the parent function (without transformations)....
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...