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Algebra
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OpenStudy (anonymous):
The vertex of a parabola is in the first quadrant of a coordinate grid. A line with a negative slope passes through the origin. If the parabola and line intersect at the origin, which statement must be true? A:The parabola opens downward. B: The parabola opens upward. C: The slope of the line is equal to –1. D: The slope of the line is not equal to –1.
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OpenStudy (anonymous):
Pretty sure its C
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