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For the sequence 1 1/2,3,4 1/2,,,,,,,, say whether or not it's an arithmetic progression if yes, find the value (a) and (d)

Say whether each of the following is an AP or GP or neither (A)1,4,9,16,,,,, (B)1.7,2,2.3,2.6,,,,,, (C)640,-320,160,-80,,,,, (D)125,25,5,1,,,,,

The first 3 terms of the GP are x-2, x-1 and x+7 find (A) the value of x (B) the common ratio (C)S6

Solve the equation 3x+5\x=12 give your answer correct to two decimal place

A parabola has the equation y=x/2-x+6 (A) find the y-intercept (B) find the x-intercept (C) Find the coordinates of the turning point (D) sketch the parabola shows the coordinates of the turning point and the intercept