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
1
Q
What is algebra?
A
Using letters to represent values or objects
2
Q
What can you only add and subtract in algebra?
A
Like terms!
Eg. 4y+16y ✅
2y+6m ❌
3
Q
When adding a negative number it becomes:
A
Negative +- = -
4
Q
Subtracting a negative / adding a positive becomes:
A
Positive – = + // ++ = +
5
Q
Expand a(3+6)
A
= 3a + 6a = 9a
6
Q
How to factorise?
A
Collect like terms and factors