QUESTION 1 Suppose the American Medical Association Center for Health Policy Research included data, by state, on the number of community hospitals and the average patient stay (in days) in….
Find the greatest value of: -10 + 14x – 2×2 and state the value of x at which it occurs. Sketch the curve of y = -10 + 14z -2×2. Showing clearly the line of symmetry of the curve.
a) Find an equation with integral co-efficients, whose roots are the squares
of the roots of the equation 2×2 + 5x – 6 = 0 (5 marks)
b) Find the greatest value of:
-10 + 14x – 2×2 and state the value of x at which it occurs. Sketch the curve
of y = -10 + 14z -2×2. Showing clearly the line of symmetry of the curve.(5 marks)
c) Solve by factorization the equation 2×2 – 5x + 3 = 0 (5 marks)
d) The sum to infinity of a geometrical progression with a positive common
ratio is 9 and the sum of the first two terms is 5. Find the first four terms
of the progression. (5 marks)
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