Maths with Lemon

Linear Functions

"Nature is written in mathematical language. "

Galileo Galilei

Linear Modeling

What you have to know:

You must be able to solve linear equation.
(If not, check this lesson)
You must be able to Rearrange Formulae.
(If not, check this lesson)

Key Points

1. Watch the video:

2. Read this presentation
3. Watch this video about lines and y-intercept form.
4. Watch this videoabout perpendicular lines

Angle of a Line

What you have to know:

We must also notice that the gradient is at the same time the tangent of the angle of the line with x-axis.

Key Points

1. Watch the video:

IB Past Paper Problems

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