Maths 0580

When simplifying fractions with the need of expansion

Try so simplify the fractions before expansion.

What is the quadratic formula for a with a coefficient that is not 1

Memorise

What is sin 30

½ or 0.5

When sending a fraction to the other side, what do we multiply by?

It’s reciprocal(The fraction flipped)

how to multiply fractions?

Multiply numerators, Multiply denominations

How to add or subtract fractions with different denominators

Make like denominators then subtract or add the fractions and WRITE the denominator

How to solve questions with the division of fractions?

Keep the first number, change the sign to multiplication, flip the second fraction then multiply normally

What is (-.-) (+.+) (+.-)

+,+,- don’t forget to distribute the sign between fractions

What do we expand and leave factorised in the numerator and denominator?

Expand numerator, leave denominators

What to remember when making a letter the subject of the formula?

Do the opposite of the functions included to get rid of them, make it positive, add plus minus sign and use brackets when needed( for expansion or the final answer)