Question: Please solve this question using grade 10 quadratic 23. a) The point (-2, 1) is on the graph of the quadratic function f (x) =

Please solve this question using grade 10 quadratic

23. a) The point (-2, 1) is on the graph of the quadratic function f (x) = -x2 + bx + 11. Determine the value of b. b) If the points (-1, 6) and (2, 3) are art the graph of the quadratic function se f (x) = 2x2 + bx + c, determine the ort values of b and c

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