GCSE Secondary Maths Age 13-17 - Algebra: Algebra - Explained

The video tutorial covers solving a quadratic equation, calculating negative exponents, simplifying expressions, and rearranging formulas to make a variable the subject. It emphasizes the importance of understanding these algebraic skills and provides step-by-step solutions to each part of the question, highlighting common mistakes and how to avoid them. The tutorial concludes with a summary of the skills learned and the marks allocated for each part.

What is the value of X when solving the equation 3X^2 = 147?

• 7

• 49

• -7

• Both 7 and -7

How do you express 2 to the power of -3?

• 1/8

• 8

• 2/3

• -8

What is the simplified form of (3X^2)^3?

• 3X^6

• 27X^6

• 9X^6

• 27X^3

In the equation W = 4P - 16, what is P when rearranged?

• 4W + 16

• W - 16/4

• W/4 + 16

• (W + 16)/4

What is the first step to make P the subject in the equation W = 4P - 16?

• Multiply both sides by 4

• Divide both sides by 4

• Add 16 to both sides

• Subtract 16 from both sides