Search for tag: "quadratic equation"

Finding the vertex, intercepts, and axis of symmetry from a graph of a parabola

This gives a graph of a parabola which is the graph of a quadratic equation or function. The demonstration first includes classifying it as a parabola that is opening downward or upward. Then it…

From  Tom Grant 13 plays 0  

Solving a rational equation that simplifies to quadratic: Binomial denominators, constant numerators

Here we solve a rational equation by multiplying each of the terms in the equation by the LCD of all of the fractions. This allows us to divide to one all of the factors in the denominators and the…

From  Tom Grant 10 plays 0  

Solving a rational equation that simplifies to quadratic: Proportional form, basic

Single fractions set equal to each other forms a proportion. When presented with this, it can be "cross multiplied" to eliminate the fractions. The resulting equation has a term with the…

From  Tom Grant 6 plays 0  

Finding the roots of a quadratic equation with leading coefficient greater than 1

This is a quadractic equation that can be factored to solve it. The zero product property allows writing the factors each equal to 0 and then solving those linear equatioins.

From  Tom Grant 11 plays 0  

Finding the roots of a quadratic equation with leading coefficiant 1

This applies the factoring methods learned previously to solving a quadratic equation in standard form, that is with all th eterms on the left of the equals sign and 0 on the right

From  Tom Grant 16 plays 0  

Finding the roots of a quadratic equation of the form ax^2 + bx = 0

This type of equation is solved by factoring a GCF from both terms once the proper form is achieved. Then the zero product property allows the separation of the two factors into two solvable linear…

From  Tom Grant 14 plays 0  

Solving an equation of the form x^2 = a using the square root property

This talks about solving for a squared quantity by taking the square root of both sides. You must remember to put a "plus or minus" sign on one side of the equation to indicate the two…

From  Tom Grant 40 plays 0  

Solving by Completing the Square - Part 2

A second demonstration of how to solve a quadratic equation using the "complete the square" process.

From  Tom Grant 737 plays 0  

Solving Problems Modeled By Quadratic Equations

This presents a financial question that we can answer using the techniques for solving quadratic equations.

From  Tom Grant 823 plays 0  

Review: Factoring a Trinomial_ac-Grouping Method

This shows the second method for factoring a trinomial where a is not = 1

From  Tom Grant 759 plays 0  

Solving Quadratic Equations by the Quadratic Formula, Part 2

This is part two of the discussion about using the quadratic formula to solve a quadratic equation.

From  Tom Grant 881 plays 0  

Solving Number Problems Modeled by Rational Expressions

This is a demonstration of solving a problem described as a number relationship that we do not know the actual number values and we are asked to find them.

From  Tom Grant 931 plays 0