GCSE Secondary Maths Age 13-17 - Algebra: Algebraic Fractions and Subject of an Equation - Explained

The video tutorial covers simplifying algebraic fractions and rearranging formulas to make a variable the subject. It begins with finding a common denominator to simplify fractions and then moves on to rearranging a formula to isolate a variable using factorization. The tutorial emphasizes careful handling of negative signs and the importance of collecting like terms.

What is the first step in simplifying an algebraic fraction?

• Expanding the numerator

• Multiplying by the reciprocal

• Adding the fractions

• Finding a common denominator

When expanding the brackets in an algebraic fraction, what should you be cautious about?

• Adding extra terms

• Ignoring the negative signs

• Forgetting to multiply the denominators

• Changing the variable

In rearranging a formula, what is the recommended first step?

• Add all terms to one side

• Remove fractions by multiplying

• Divide by the coefficient

• Factorize the equation

What method is used to isolate a variable when it appears in multiple terms?

• Substitution

• Factorization

• Graphing

• Elimination

What is a key difference between simplifying algebraic fractions and rearranging formulas?

• Both require finding a common denominator

• Rearranging formulas involves changing the subject

• Algebraic fractions require factorization

• Only algebraic fractions involve expanding brackets