exam Maths Puzzle Numerical Ability

2) Is √x^2 = x an identity (true for all values of x)?
Answer:

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exam Other Question

Can anyone please Solve the inequality 4x <12 than sketch the solution set on the real number line. Thank You What are the conditions when the sum of a positive number and several negative numbers will be positive?
When you add the negative numbers together and they equal less than the positive number.