GeoGebra Classroom

Investigating parallel and perpendicular lines

Investigating parallel and perpendicular lines

An online worksheet to complete revising the properties of parallel and perpendicular lines.

Use the applet to solve the problem below.

What is the slope of the line joining the points (2,5) and (7,15)?

Use the applet to:

Show me the coordinates of two points for which the slope of the line between them is 3.

Use the applet to:

Give me an equation of a line with a slope of 3.

Keeping your previous equation on screen, write it in a different way.

What is the y-intercept of the line y = 3x +7 ?

Using your brilliant maths skills and the applet solve:

What is the x-intercept of the line 2y = 3x −6? (Hint: what will y be equal to when the line crosses the x axis?)

Use the applet below to:

Show me the equation of a line that is parallel to y = 2x + 4

Use the applet below to solve:

What would be the slope of a line perpendicular to y = 2x + 4 ?

Use the applet above to:

Show me the equations of two lines that are perpendicular to each other.