exam Maths Puzzle Numerical Ability

Find the solutions to the equation: x2 + 2x - 8 = 0.

a. x = -4, 2
b. x = -3, 5
c. x = -2, 4
d. x = 4, 4

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exam Other Question

In a right triangle, the hypotenuse has length 14 cm. and another side has length 12 cm. What is the length of the altitude that is perpendicular to the hypotenuse? Jane has $10 000 to invest. She invested part of it in a term deposit that pays 4% per year and the rest of her money was invested in bonds paying 5% per year. If Jane earned $440 in interest for one year, how much money did she invest at each rate?