84 Videos for "x intercept"

Applications of Linear Equations  Problem 3
Math › Algebra 2 › Graphs of Linear Equations
How to write equations for and graph word problems with a negative yintercept. 
Find an Equation of the Polynomial Function  Problem 2
Math › Precalculus › Polynomial and Rational Functions
How we identify the equation of a quintic function when we are given the intercepts of its graph. 
Find an Equation of the Polynomial Function  Problem 1
Math › Precalculus › Polynomial and Rational Functions
How we identify the equation of a quartic function when we are given the intercepts of its graph. 
Find an Equation of the Polynomial Function  Concept
Math › Precalculus › Polynomial and Rational Functions
How we identify the equation of a polynomial function when we are given the intercepts of its graph. 
How to Graph a Line using y=mx+b  Concept
Math › Algebra › Linear Equations and Their Graphs
How to graph a line. 
Graphing Quadratic Equations  Concept
Math › Algebra › Quadratic Equations and Functions
How to graph a quadratic equation by hand. 
How to Graph a Line using y=mx+b  Problem 3
Math › Algebra › Linear Equations and Their Graphs
How to graph a line that is in standard form. 
The Discriminant  Problem 2
Math › Algebra › Quadratic Equations and Functions
How to apply discriminants to word problems. 
The Discriminant  Concept
Math › Algebra › Quadratic Equations and Functions
How to calculate and interpret the discriminant of a quadratic equation. 
Introduction to Polynomials  Problem 6
Math › Algebra 2 › Polynomials
Vocabulary of polynomials, including multiplicity, solution, zeros, roots, xintercepts. 
The Discriminant  Problem 1
Math › Algebra › Quadratic Equations and Functions
How to interpret a discriminant that is larger than zero. 
The Reciprocal Transformation  Concept
Math › Precalculus › Polynomial and Rational Functions
How to graph the reciprocal of a linear function. 
Basic Polynomial Graphs  Problem 10
Math › Algebra 2 › Polynomials
Comparing imaginary solutions with real zeros that show up as xintercepts on a graph. 
Basic Polynomial Graphs  Problem 9
Math › Algebra 2 › Polynomials
Focus on multiplicity of zeros and how the graph will cross or bounce at certain xintercept values. 
The Reciprocal Transformation  Problem 3
Math › Precalculus › Polynomial and Rational Functions
How to graph the reciprocal of a function using only its graph. 
Graphing Quadratic Equations  Problem 11
Math › Algebra › Quadratic Equations and Functions
Using 5 key points to graph a quadratic function when the vertex is the xintercept. 
Graphing Polynomial Functions  Problem 2
Math › Precalculus › Polynomial and Rational Functions
How we graph a factored quartic (4th degree polynomial) function. 
Graphing Polynomial Functions  Problem 1
Math › Precalculus › Polynomial and Rational Functions
How we graph a factored cubic (3rd degree polynomial) function. 
Graphing Polynomial Functions  Problem 3
Math › Precalculus › Polynomial and Rational Functions
How we graph a factored quintic (5th degree polynomial) function. 
Solving Quadratic Equations Using Square Roots  Problem 6
Math › Algebra › Quadratic Equations and Functions
Finding the xintercepts of a parabola by solving by taking square roots