Determine the x- and y- intercepts for the graph defined by the given equation. y = -8 a. x-intercept is (0, -8) no y-intercept c. x-intercept is ( -8, 0) no y-intercept b. no x-intercept y-intercept is (0, -8) d. no x-intercept y-intercept is ( -8, 0)

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

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For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.