Algebra Flashcards

0
Q

Change this sentence into an algebraic equation;

‘It takes 8 minutes for Claire to iron a shirt, how long will it take for Claire to iron all of her shirts’

A

8 is the constant and the number of shirts is the unknown (y)
8y

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1
Q

What is algebra?

A

Using letters to represent values or objects

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2
Q

What can you only add and subtract in algebra?

A

Like terms!
Eg. 4y+16y ✅
2y+6m ❌

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3
Q

When adding a negative number it becomes:

A

Negative +- = -

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4
Q

Subtracting a negative / adding a positive becomes:

A

Positive – = + // ++ = +

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5
Q

Expand a(3+6)

A

= 3a + 6a = 9a

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6
Q

How to factorise?

A

Collect like terms and factors

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