10th-Grade-Math---USA
Solving-Quadratic-Equations
Easy

Question

The quadratic equation from the graph

  1. x squared plus 10 x plus 21
  2. negative x squared plus 10 x plus 21
  3. negative x squared minus 10 x minus 21
  4. negative x squared plus 10 x minus 21

The correct answer is: negative x squared plus 10 x minus 21

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