iRubric: Application of Quadratic Functions rubric

Student correctly finds all 4 of the following: write quadratic equation in standard form, identify the values of a, b, c, identify whether parabola opens upward or downward, and identify if equation will have a minimum or maximum value.

Student correctly finds 3 of 4 of the following: write quadratic equation in standard form, identify the values of a, b, c, identify whether parabola opens upward or downward, and identify if equation will have a minimum or maximum value.

Student correctly finds 2 of 4 of the following: write quadratic equation in standard form, identify the values of a, b, c, identify whether parabola opens upward or downward, and identify if equation will have a minimum or maximum value.

Student attempts or correctly finds 1 of 4 of the following: write quadratic equation in standard form, identify the values of a, b, c, identify whether parabola opens upward or downward, and identify if equation will have a minimum or maximum value.

Student correctly finds all 4 of the following: the y-intercept, the 2 x-intercepts, and the solutions by factoring or using the quadratic formula.

Student correctly finds 3 of 4 of the following: the y-intercept, the 2 x-intercepts, and the solutions by factoring or using the quadratic formula.

Student correctly finds 2 of 4 of the following: the y-intercept, the 2 x-intercepts, and the solutions by factoring or using the quadratic formula.

Student attempts or correctly finds 1 of 4 of the following: the y-intercept, the 2 x-intercepts, and the solutions by factoring or using the quadratic formula.

Student correctly graphs 7-8 of the following: the vertex, the y-intercept, the x-intercepts, and 4 additional points from table of values.

Student correctly graphs 5-6 of the following: the vertex, the y-intercept, the x-intercepts, and 4 additional points from table of values.

Student correctly graphs 3-4 of the following: the vertex, the y-intercept, the x-intercepts, and 4 additional points from table of values.

Student attempts or correctly graphs 1-2 of the following: the vertex, the y-intercept, the x-intercepts, and 4 additional points from table of values.

Writing component contains all 4 of the following: 7-8 steps used to solve quadratic equation, math terminology, description of connection of quadratic equation to word problem, and correct writing mechanics.

Writing component contains 3 of 4 of the following: 5-6 steps used to solve quadratic equation, math terminology, description of connection of quadratic equation to word problem, and correct writing mechanics.

Writing component contains 2 of 4 of the following: 3-4 steps used to solve quadratic equation, math terminology, description of connection of quadratic equation to word problem, and correct writing mechanics.

Writing component is attempted or contains 1 of 4 of the following: 1-2 steps used to solve quadratic equation, math terminology, description of connection of quadratic equation to word problem, and correct writing mechanics.

Team used time effectively in class, completed all work diligently, and all 5-6 team members completed their role of "math solver", "graph drawer", "critical thinker", "writer", and "main presenter".

Team used time effectively in class, completed all work diligently, but only 3-4 team members complete their role of "math solver", "graph drawer", "critical thinker", "writer", and "main presenter".

Team did not use time effectively in class, did not complete all work, and only 1-2 team members complete their role of "math solver", "graph drawer", "critical thinker", "writer", and "main presenter".

Team did not use time effectively in class, did not complete all work, and no team members complete their role of "math solver", "graph drawer", "critical thinker", "writer", and "main presenter".

30-36

22-29

15-21

9-14

4

3

2

1