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

The video tutorial explains how to solve a mathematical problem involving the expression (X + 1)^2 / 2X, with X set to 0.7. The instructor emphasizes the importance of following the order of operations and writing down all figures from the calculator display. The process involves substituting the value of X, calculating the numerator and denominator separately, and then dividing to find the final answer. The tutorial also highlights the marks awarded for correct substitution and solution.

What is the first step in solving the expression when X is given as 0.7?

• Calculate the denominator first

• Ignore the value of X

• Substitute X with 0.7

• Directly calculate the final answer

After substituting X with 0.7, what is the result of 0.7 + 1?

• 1.5

• 1.6

• 1.7

• 1.8

What is the squared value of 1.7?

• 3.24

• 2.89

• 2.56

• 3.61

What is the result of multiplying 2 by 0.7?

• 1.5

• 1.2

• 1.3

• 1.4

What is the final answer when 2.89 is divided by 1.4?

• 2.06428571429

• 2.5

• 1.9

• 2.1