Exploring linear equations
- Author:
- Nicoucou
- Topic:
- Algebra, Linear Equations
Activity 1 - Move the two points until the red line lies along the handrail of the staircase. Write down the equation of your final line in your workbook. Round numbers off to 2 decimal places.
Activity 2 - move the slider for c and observe the effect it has on the line. Write down in your workbook two sentences that describe the relationship between c and the line. "When c increases, the line ___________"
Activity 3 - move the slider for m and observe the effect it has on the line. What happens to the line when m is a negative number? Write a sentence in your workbook that describes the relationship between m and the line.
All straight lines can be written in the form
affects the gradient or steepness of the graph
is the y-intercept and changes where the line crosses the
y-axis