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Practice problem

Solving Quadratic Systems by Substitution or Elimination

By Eunji Kwon

You kick a soccer ball up a hill that can be expressed as the equation y=7xy=7x. The soccer ball follows the path y=−x2+7x+4y=-x^2+7x+4. Where does the soccer ball land on the hill?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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