GRAPHING LINES FROM POINTS
PRACTICE - LEVEL 3
PRACTICE - LEVEL 4
Learn how to graph a linear equation by choosing values for X, substituting them into an equation and getting a Y-value, then graphing those points on a coordinate plane.
This Algebra tutorial teaches students how to graph lines (linear equations) with a t-table.
In this video we look at graphing equations using a table of values.
STANDARDS
Show that the graph of a function is the set of ordered pairs consisting of an input and the corresponding output. (CCSS.8.F.1)
Interpret the equation y=mx+b as defining a linear function, whose graph is a straight line. (CCSS.8.F.3)
SLOPE FROM GRAPHS
PRACTICE - LEVEL 3
PRACTICE - LEVEL 4
How to, Given a Graph, Find the Slope.
Slope of a line Practice
In this lesson, students are asked to find the slope of a line given its graph. To find the slope of a line, students use the formula slope = rise over run.
STANDARDS
Determine the rate of change and initial value of the function from a description of a relationship or from two (x,y) values, including reading these from a table or from a graph. (8.F.4)
SLOPE FROM POINTS
PRACTICE - LEVEL 3
PRACTICE - LEVEL 4
How to find the slope given two points.
How to Find the Slope Given 2 Points.
STANDARDS
Determine the rate of change and initial value of the function from a description of a relationship or from two (x,y) values, including reading these from a table or from a graph. (8.F.4)
SLOPE INTERCEPT FORM
PRACTICE - LEVEL 3
PRACTICE - LEVEL 4
Graphing a line in slope intercept form.
Point-slope and slope-intercept form from two points.
STANDARDS
Derive the equation y=mx for a line through the origin and the equation y=mx+b for a line intercepting the vertical axis at b. (8.EE.6)
SOLVING SYSTEMS BY GRAPHING
PRACTICE - LEVEL 4
In this lesson, students learn to solve a system of linear equations by graphing.
Solving a system of linear equations by graphing. This topic is introduced and explained in simple terms from the ground up. From the Algebra 1 course by Derek Owens.
STANDARDS
Analyze and solve pairs of simultaneous linear equations. (8.EE.8)
Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. (8.EE.8b)
SOLVING SYSTEMS BY SUBSTITUTION
PRACTICE - LEVEL 3
PRACTICE - LEVEL 4
How to Solve Systems of Linear Equations by Substitution.
STANDARDS
Analyze and solve pairs of simultaneous linear equations. (8.EE.8)
Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. (8.EE.8b)
SOLVING SYSTEMS BY ELIMINATION
PRACTICE - LEVEL 3
PRACTICE - LEVEL 4
MIT grad shows how to use the elimination method to solve a system of linear equations (aka. simultaneous equations).
Solving Systems of Equations by Elimination.
STANDARDS
Analyze and solve pairs of simultaneous linear equations. (8.EE.8)
Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. (8.EE.8b)