grade 10 activity

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Across
  1. 1. EIGHT = The sum of the roots of the equation negative two x squared minus sixteen x plus one equals zero
  2. 4. = The type of the line when the system y equals x squared and y equals two x minus one has exactly one solution
  3. 6. ONE = The axis of symmetry of the parabola y equals two x squared minus four x plus three
  4. 7. FIFTEEN = The vertex of the parabola y equals negative x squared plus eight minus one
  5. 8. ZERO AND FOUR COMMA ZERO = the points where the parabola y equals negative x squared plus four x intersects the x axis
  6. 9. = The direction in which the parabola y equals negative two x squared plus five x minus seven opens
Down
  1. 2. = The direction in which the parabola y equals three x squared minus two x plus one opens
  2. 3. FIVE = The point where the parabola y equals x squared plus nine x plus five touches the y axis
  3. 5. = The number of intersection points between g of x equals negative x squared plus two x minus one and f of x equals x squared plus four x minus five
  4. 8. = The discriminant of the quadratic equation x squared minus four x plus four equals zero