# Summary Chapter 11

Interval and Real numbers (11.2)
You can show an interval on a number line.
A closed circle means number is included.
An open circle means the number is not included.
Real numbers
All numbers you can write as a fraction and all numbers that cannot be written as a fraction. e.g.         or
ex S1 (explanation on slide 7)
π
2
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Slide 1: Slide
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This lesson contains 13 slides, with text slides.

## Items in this lesson

Interval and Real numbers (11.2)
You can show an interval on a number line.
A closed circle means number is included.
An open circle means the number is not included.
Real numbers
All numbers you can write as a fraction and all numbers that cannot be written as a fraction. e.g.         or
ex S1 (explanation on slide 7)
π
2

#### Slide 1 -Slide

Equations with powers and higher roots (11.4)
Exercises S2 & S3
(explanation on slide 8)

#### Slide 2 -Slide

You can calculate the coordinates of the points of intersection of a parabola and a line (11.1)
exercise S4
(explanation on slide 9)

#### Slide 3 -Slide

You can write intervals as an inequality (11.2)
ex S5
(explanation on slide 10)

#### Slide 4 -Slide

You can solve a quadratic inequality using graphs (11.3)
ex S6
(explanation on slides 11 & 12)

#### Slide 5 -Slide

You can solve an equation that contains powers (11.4)
ex S7
(explanation on slide 13)