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Curated Video
Solving for Unknown Lengths in Circles
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2H Q22, which involves solving for unknown lengths in circles. Students will understand the properties of circles and how they relate to solving...
Curated Video
Circle Geometry: Finding the Length of a Chord and Solving Quadratic Equations
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q16, which involves finding the length of a chord. By the end of the video, learners will understand the properties of circles and how to use...
Curated Video
Solving Simultaneous Equations with Algebraic Techniques
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q18, which involves simultaneous equations. By using algebraic manipulation and substitution, we will work through the steps to find the...
Curated Video
Solving Quadratic Inequalities Using the Quadratic Formula
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q20, which involves quadratic inequalities. We will solve the inequality step-by-step, showing how to use the quadratic formula to find the...
Brian McLogan
Given a factor or zero find all the remaining zeros
Given a factor or zero find all the remaining zeros
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
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
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
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
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.
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...
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 q
uadratic.
To plot them onto a graph,...
Quadratic curves are either a U shape, if they are positive quadratics, or upside down U if they are a negative q
uadratic.
To plot them onto a graph,...
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...
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...