Systems with a quadratic: a line and a parabola, a line and a circle, two parabolas

Grade 11 Math Worksheet - Building Confidence

NameDate

Circle the best answer.

  1. Jun tests the point (-2, 5) in the system y = x² + 1 and y = -x + 1. Which is true?

    • On neither
    • On both, so it is a solution
    • On the line only
    • On the parabola only
  2. Luz tests the point (3, 7) in the system y = x² − 2 and y = 2x + 1. Which is true?

    • On neither
    • On both, so it is a solution
    • On the parabola only
    • On the line only
  3. Milo tests the point (-3, 4) in the system y = x² − 5 and y = 2x + 10. Which is true?

    • On both, so it is a solution
    • On neither
    • On the line only
    • On the parabola only
  4. Noah tests the point (1, 4) in the system y = x² + 3 and y = 3x. Which is true?

    • On both, so it is a solution
    • On the parabola only
    • On the line only
    • On neither
  5. Pia sets y = x² + 2x − 3 equal to y = 4x + 5 and moves everything to one side. Which equation is that?

    • x² + 6x − 8 = 0
    • x² − 2x − 8 = 0
    • x² − 2x + 8 = 0
    • x² − 2x + 2 = 0
  6. Ren sets y = x² − x + 4 equal to y = 3x − 1 and moves everything to one side. Which equation is that?

    • x² − 4x − 5 = 0
    • x² − 4x + 5 = 0
    • x² − 4x + 3 = 0
    • x² + 2x + 5 = 0
  7. Zee sets y = x² + 3x + 1 equal to y = -2x + 7 and moves everything to one side. Which equation is that?

    • x² + 5x + 6 = 0
    • x² + 5x − 6 = 0
    • x² + x − 6 = 0
    • x² + 5x + 8 = 0
  8. Esme sets y = x² − 4x − 2 equal to y = -x − 6 and moves everything to one side. Which equation is that?

    • x² − 3x + 4 = 0
    • x² − 3x − 8 = 0
    • x² − 5x + 4 = 0
    • x² − 3x − 4 = 0
  9. Luz puts a line into a parabola and gets x² + 6x + 9 = 0. How many points do the line and the parabola share?

    • Two points
    • No points
    • One point
  10. Milo puts a line into a parabola and gets x² − 2x − 8 = 0. How many points do the line and the parabola share?

    • Two points
    • One point
    • No points
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Systems with a quadratic: a line and a parabola, a line and a circle, two parabolas

Answer Key - Grade 11 Math Worksheet - Building Confidence

Circle the best answer.

  1. Jun tests the point (-2, 5) in the system y = x² + 1 and y = -x + 1. Which is true?

    • On neither
    • On both, so it is a solution
    • On the line only
    • On the parabola only
  2. Luz tests the point (3, 7) in the system y = x² − 2 and y = 2x + 1. Which is true?

    • On neither
    • On both, so it is a solution
    • On the parabola only
    • On the line only
  3. Milo tests the point (-3, 4) in the system y = x² − 5 and y = 2x + 10. Which is true?

    • On both, so it is a solution
    • On neither
    • On the line only
    • On the parabola only
  4. Noah tests the point (1, 4) in the system y = x² + 3 and y = 3x. Which is true?

    • On both, so it is a solution
    • On the parabola only
    • On the line only
    • On neither
  5. Pia sets y = x² + 2x − 3 equal to y = 4x + 5 and moves everything to one side. Which equation is that?

    • x² + 6x − 8 = 0
    • x² − 2x − 8 = 0
    • x² − 2x + 8 = 0
    • x² − 2x + 2 = 0
  6. Ren sets y = x² − x + 4 equal to y = 3x − 1 and moves everything to one side. Which equation is that?

    • x² − 4x − 5 = 0
    • x² − 4x + 5 = 0
    • x² − 4x + 3 = 0
    • x² + 2x + 5 = 0
  7. Zee sets y = x² + 3x + 1 equal to y = -2x + 7 and moves everything to one side. Which equation is that?

    • x² + 5x + 6 = 0
    • x² + 5x − 6 = 0
    • x² + x − 6 = 0
    • x² + 5x + 8 = 0
  8. Esme sets y = x² − 4x − 2 equal to y = -x − 6 and moves everything to one side. Which equation is that?

    • x² − 3x + 4 = 0
    • x² − 3x − 8 = 0
    • x² − 5x + 4 = 0
    • x² − 3x − 4 = 0
  9. Luz puts a line into a parabola and gets x² + 6x + 9 = 0. How many points do the line and the parabola share?

    • Two points
    • No points
    • One point
  10. Milo puts a line into a parabola and gets x² − 2x − 8 = 0. How many points do the line and the parabola share?

    • Two points
    • One point
    • No points