Year 9

# Solving adfected quadratic equations (Part 3)

Year 9

# Solving adfected quadratic equations (Part 3)

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## Lesson details

### Key learning points

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

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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.

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### 5 Questions

Q1.

Find the solutions to 'A'

y = - 5 and y = -2

y = 5 and y = 2

y=7 and y = 3

Q2.

Find the solutions to 'B'

y = -5 and y = -3

y = 5 and y = 10

y= 5 and y = 3

Q3.

Find the solutions to 'C'

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

Q5.

Find the solutions to 'E'

y = 81

y = 9

### 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

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

Q4.

what are the solutions to the quadratic equation in question c?

x = -3 or x = 7

x = -4 or x = 4

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