Use the image to answer the question.A parabola is graphed on a coordinate plane. The x-axis ranges from negative 10 to 3 in increments of 1. The y-axis ranges from negative 10 to 10 in increments of 1.Determine whether the a-value is positive or negative. Provide an appropriate reason.(1 point)ResponsesThe a-value is negative because the x-intercepts are negative.The a -value is negative because the x -intercepts are negative.The a-value is negative because the y-intercept is negative.The a -value is negative because the y -intercept is negative.The a-value is negative because the graph is of a parabola that opens down.The a -value is negative because the graph is of a parabola that opens down.The a-value is positive because the graph is of a parabola that opens up.The a -value is positive because the graph is of a parabola that opens up.Skip to navigation
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