exam
Maths Puzzle
Numerical Ability
7x+7 *x^2-x-20
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x+4 * 7x^2-42x-49
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exam Other Question
Skydiving. If there were no air resistance, then the height (in feet) above the earth for a skydiver t seconds after jumping from an airplane at 10,000 feet would be given by h(t)
What is the transformational form of (x+2)^2+(y-1)^2=9???
I think it is [1/9(x-2)]^2+[1/9(y+1)]^2=1????????