Cambridge AS Level Mathematics - Pure 1 Questions with Correct Answers.

4 Correct Answer Evaluate. (-8)^(2/3) 1/4 Correct Answer Evaluate. (-8)^(-2/3) 2/3 Correct Answer Evaluate. (9/4)^(-1/2) x = 6 Correct Answer Find x. 7⁸ ÷ 7ˣ = 49 x = 6 Correct Answer Find x. (6⁵ × 6ˣ) ÷ 36 = 6⁹ x = 9 Correct Answer Find x. (5⁷ × 5⁴) ÷ 5ˣ = 25 20 Correct Answer Evaluate (2√5)² x = -7 or 5 Correct Answer Solve the quadratic equation by factorisation x² + 2x - 35 = 0 x = 0 or 4 Correct Answer Solve the quadratic equation by factorisation 5x² = 20x 49cm² Correct Answer A piece of card has a length of (2x - 1)cm and a width of (x + 2)cm. A square of side xcm is removed from the card. The area of the card that is left is 68cm². Find the area of the card that has been removed. x = (-b ± √b² - 4ac) / 2a Correct Answer What is the quadratic formula? x = -(5/2) Correct Answer Solve the quadratic equation (2x² + 5x + 3) / (x² + 3x + 2) = 4 x ≥ 2 Correct Answer Solve 2x + 7 ≤ 8x - 5 x ≤ 2/5 Correct Answer Solve 4x - 7(2x - 1) ≥ 3