exam
Maths Puzzle
Numerical Ability
If r and s are roots of x2-8x-3 =0, find the values of 1/r=1/s and (1/r)(1/s)
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exam Other Question
Typical heights and weights for adult men are in the table below
height (in inches) 70 72 74
weight (in pounds) 170 180 190
Explain why these data are linear?
Assuming
what is the history of radicals in algebra?