Year 9

Year 9

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Slide decks, worksheets, quizzes and lesson planning guidance designed for your classroom.

## Lesson details

### Key learning points

1. In this lesson, we will solve quadratic equations that first need to be rearranged.

### 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.
Find the solutions to 'A'
y = - 5 and y = -2
Correct answer: y = -7 and y = -3
y = 5 and y = 2
y=7 and y = 3
Q2.
Find the solutions to 'B'
Correct answer: y = - 5 and y = -10
y = -5 and y = -3
y = 5 and y = 10
y= 5 and y = 3
Q3.
Find the solutions to 'C'
Correct answer: y = 0 and y = -10
y = 0 and y = 10
y = 1 and y = 10
y= 1 and y = -10
Q4.
Find the solutions to 'D'
y = 0 and y = -100
y = 10
Correct answer: y = 10 and y =- 10
Q5.
Find the solutions to 'E'
y = 81
y = 9
Correct answer: y = 9 and y = -9

## Exit quiz

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### 5 Questions

Q1.
A quadratic equation must have two solutions. True or false?
True
Q2.
what are the solutions to the quadratic equation in question a?
x = -3 or x = -15
x = -5 or x = -9
Correct answer: x = 5 or x = 9
x= - 15 and x = -3
Q3.
what are the solutions to the quadratic equation in question b?
x = -14 or x = -3
x = 14 or x = 3
x = 6 or x = 7
Correct answer: x= -6 and x = -7
Q4.
what are the solutions to the quadratic equation in question c?
x = -3 or x = 7
x = -4 or x = 4
Correct answer: x = 4 or x = -8
x= 3 and x = -7
Q5.
what are the solutions to the quadratic equation in question d?
x = -1 or x = 7
x = 0 or x = -6
x = 0 or x = 6
Correct answer: x= 1 and x = -7