exam Maths Puzzle Numerical Ability

Factoring Trinomials by Trial and Error
16x^2-27x-10

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exam Other Question

factor the quadratic expression completely, and find the roots of the expression.

1. 135x2 - 222x + 91

2. 6x2 - 42x + 72 Technology. Driving down a mountain, Tom finds that he has descended 1800 ft
in elevation by the time he is 3.25 mi horizontally away from the top of the
mountain. How do I find the slope of his descent to the nearest hundredth?