Maths

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Factorising quadratics (Part 2)

In this lesson, we will further develop your ability to factorise quadratics by spotting factors of terms.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Fill in the gap: ________ is the opposite of expanding.

1/6

Q2.Factorise x² + 11x + 24.

2/6

Q3.Factorise x² + 14x + 24.

3/6

Q4.Factorise x² + 8x + 16.

4/6

Q5.Factorise x² - 25.

5/6

Q6.A quadratic expression x² + bx + 20 can be factorised. Find all the possible values for b when b is positive.

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Fill in the gap: ________ is the opposite of expanding.

1/6

Q2.Factorise x² + 11x + 24.

2/6

Q3.Factorise x² + 14x + 24.

3/6

Q4.Factorise x² + 8x + 16.

4/6

Q5.Factorise x² - 25.

5/6

Q6.A quadratic expression x² + bx + 20 can be factorised. Find all the possible values for b when b is positive.

6/6

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Factorising Quadratics 2 Quiz

Have a go at the questions below. Make sure you read the questions very carefully! Good luck!

Q1.Fill in the gap: ________ is the opposite of expanding.

1/7

Q2.Factorise x² + 14x + 24.

2/7

Q3.Cala says that you cannot factorise x² -9x + 8 because there does not exist a pair of factors for 8 that add to give a negative number. Is she correct?

3/7

Q4.Factorise x² - 3x - 10.

4/7

Q5.Factorise x² - 9x + 14.

5/7

Q6.Factorise x² - 36.

6/7

Q7.A quadratic expression x² + bx - 20 can be factorised. Find all the possible values for b when b is negative.

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Factorising Quadratics 2 Quiz

Have a go at the questions below. Make sure you read the questions very carefully! Good luck!

Q1.Fill in the gap: ________ is the opposite of expanding.

1/7

Q2.Factorise x² + 14x + 24.

2/7

Q3.Cala says that you cannot factorise x² -9x + 8 because there does not exist a pair of factors for 8 that add to give a negative number. Is she correct?

3/7

Q4.Factorise x² - 3x - 10.

4/7

Q5.Factorise x² - 9x + 14.

5/7

Q6.Factorise x² - 36.

6/7

Q7.A quadratic expression x² + bx - 20 can be factorised. Find all the possible values for b when b is negative.

7/7

Lesson summary: Factorising quadratics (Part 2)

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Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance

The next lesson in:
Quadratic expressions (9.9)
is:
Sketching quadratics

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