6.2 A linear inequailities

• Wiskunde
• Middelbare school
• havo, vwo
• Leerjaar 2

Today

You will learn what linear inequalities are and how to solve them graphically.

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You find this in an elevator. Which inequality is best suited here?

1. weight<1600
2. weight>1600
3. weight≤1600
4. weight≥1600

Describe a real-life example of an inequality.

line l lies above line n when..

1. x<6
2. x>6
3. x=6
4. x>4

Determine the coordinates of the point of intersection of these lines.

For which values of x does line k lie below line l?

For both lines, calculate y for x=0 and for x=2. Also write down the ordered pairs you've just found.

If you feel like it, you can do assignment 5 first and then discuss 1-4. Alternatively, you may start at assignment 9.

Do the things