Year 9

Year 9

## Lesson details

### Key learning points

1. In this lesson, we will explore different situations that can be modelled by quadratics.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
Tick the equation that, when plotted, would form a quadratic graph.
Correct answer: Option 1
Option 2
Option 3
Option 4
Q2.
What value would go where the heart is?
-10
-25
10
Q3.
What value would go where the heart is?
-1
-3
-4
2
Q4.
What value would go where the heart is?
3
4
5
Q5.
Complete the tables below and plot the graphs. Select a co-ordinate the graphs have in common.
(-2,4)
(0,1)
(1,-1)
(1,1)

## Exit quiz

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### 5 Questions

Q1.
Select the word that best fills in the gap: Sometimes ___________ can be used to model situations.
expanding
factorisation
mathematical contexts
Q2.
"I think of two numbers with a difference of 3 and multiply them together." Which expression bests represents the statement?
3x
3x + 3
x - 3
Q3.
A square is cut out of the rectangle. Give an expression for the area.
Option 1
Correct answer: Option 2
Option 3
Option 4
Q4.
A square is cut out of the rectangle. What is the maximum area?
60 cm²
62 cm²
Correct answer: 64 cm²
80 cm²
Q5.
A square is cut out of the rectangle. What is the minimum area?
0 cm²
16 cm²
4 cm²
Correct answer: 48 cm²
64 cm²