Khan Academy
Khan Academy: Parallel and Perpendicular Lines From Graph
Given points that two lines go through or the graph of each line, classify the lines as parallel, perpendicular, or neither. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Illustrative Mathematics
Illustrative Mathematics: S Id.7 Used Subaru Foresters
Jane wants to sell her Subaru Forester and does research online to find other cars for sale in her area. She examines the scatterplot of price versus age and determines that a linear model is appropriate. Answer a variety of questions...
Khan Academy
Khan Academy: Writing Linear Functions Word Problems
Practice writing a linear function that represents a real-world relationship that is given verbally. Functions are written using function notation.
Houghton Mifflin Harcourt
Harcourt: School Publishers: Negative Slope
This site provides an example of a negative slope, including the equation of the line shown. Also given is a definition of a negative slope.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 1 [Pdf]
Learners estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 2 [Pdf]
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 3 [Pdf]
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 4 [Pdf]
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 5 [Pdf]
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 6 [Pdf]
Students estimate the slope of a line from a given graph. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 7 [Pdf]
The handout has students estimate the slope of a given line. The math graph is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 8 [Pdf]
The handout has students estimate the slope of a given line. The math graph is available in PDF format.
CK-12 Foundation
Ck 12: Algebra: Determining the Equation of a Line
This comprehensive study guide highlights the main terms and formulas needed to determine the equation of a line. Examples are included.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Graphing Linear Equations
Twenty-one problems present a variety of practice graphing linear equations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Texas Education Agency
Texas Gateway: Writing Equations of Lines
Given two points, the slope and a point, or the slope and the y-intercept, the student will write linear equations in two variables.
Oswego City School District
Regents Exam Prep Center: Multiple Choice Practice: Coordinate Geometry
Test your knowledge of coordinate geometry by taking this twenty question multiple-choice practice test. Use a graphing calculator to help with any graphing problems and check your answers at any given time throughout the test.
Texas Education Agency
Texas Gateway: Determining Intercepts and Zeros of Linear Functions
Given algebraic, tabular, or graphical representations of linear functions, the student will determine the intercepts of the graphs and the zeros of the function.
Texas Education Agency
Texas Gateway: Determining the Meaning of Intercepts
Given algebraic, tabular, and graphical representations of linear functions, the student will determine the intercepts of the function and interpret the meaning of intercepts within the context of the situation.
Texas Instruments
Texas Instruments: Symbolic Study of Lines
Students will write an equation in slope-intercept form given two points on the line; write an equation in Ax + By = C form given slope and one set of coordinates; and prove lines to be parallel or perpendicular given vertices of...
Texas Instruments
Texas Instruments: Pyramid Height Exploration
This activity center is used to illustrate the difference between the slant height and the actual perpendicular height (of the given square pyramid) by the use of the distance formula.
CK-12 Foundation
Ck 12: Graphing
[Free Registration/Login may be required to access all resource tools.] Given a set of data, students will understand how to correctly draw a line or bar graph, interpret its patterns, and find the slope in the case of a line graph.
Khan Academy
Khan Academy: Advanced Reflections
Find the reflection that maps a given figure to another and draw the image of a reflection. The lines of reflection in this exercise have a wide range of slopes. Students receive immediate feedback and have the opportunity to try...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Linear Functions
Thirteen problems present a variety of problems working with various aspects of linear functions. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Texas Instruments
Texas Instruments: X (Or Y) Marks the Spot
Students will identify x- and y-intercepts graphically. Students will calculate the slope between 2 points. Students will write the equation of a line in slope-intercept form when given the graph of the line.