Question: Select the three statements from the list below which are true for the quadratic equation y = -c' + 2c - 3 Select one or

Select the three statements from the list below
Select the three statements from the list below which are true for the quadratic equation y = -c' + 2c - 3 Select one or more: The point (0. -3) lies on the graph. The graph is a parabola with a maximum point The graph is a parabola with a minimum point. The graph is a parabola that has one I -intercept. The point (-3, 0) lies on the graph. The graph is a parabola that has two z -intercepts. The graph is a parabola that has no I -intercepts. The area A of a shape is related to the length : of one side by the quadratic equation: A = -3x- + 88x + 57 What is the maximum area that could be obtained by varying I ? Enter your answer in the box below, without units and rounded to two significant figures. Answer: Measurements of tensile strength for 10 samples of polyethylene fibre were measured. The results are given below, in units of MPa. 2568.1 2587.7 2589.0 2582.0 2603.3 2628.0 2598.7 2618.8 2591.8 2637.6 Calculate the standard deviation of these 10 values, using the value n - 10 to find the variance (use your calculator if you want to). Give your answer to 3 significant figures. Standard deviation: MPa

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