exam Maths Puzzle Numerical Ability

Use the quadratic formula to solve the equation.

x^2 + 2x - 8 = 0

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exam Other Question

Evaluate using the change of base formula. Round to 3 decimal places.

log3 3.5 All three sides of the triangle have equal length. One side is 9x - 4 and another is 2(3x + 4). What is the perimeter?