Math Problem Statement
Which quadratic inequality does the graph below represent?
Solution
The graph you uploaded shows a parabola that opens upwards, which implies that the quadratic term has a positive coefficient for . Additionally, the shading is below the curve, indicating that the inequality involves or .
Let's analyze the form of the quadratic equation:
- The parabola opens upwards, so the coefficient of must be positive.
- The vertex of the parabola is at , so the equation should have a vertex form related to that.
- Since the shading is below the curve, the inequality must be .
The general form is .
Thus, the correct inequality is:
Answer:
The first option: .
Do you need any further details or explanations? Here are five related questions that might expand on this concept:
- How do you find the vertex of a quadratic equation in standard form?
- Why does a positive term make the parabola open upwards?
- How does the inequality symbol affect the graph of a quadratic inequality?
- Can you convert a quadratic equation to vertex form?
- How do you determine whether to use or for a quadratic inequality?
Tip: When graphing quadratic inequalities, always observe the shading (above or below the curve) to determine whether it involves or .
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Inequalities
Graphing Parabolas
Formulas
Standard form of quadratic equation: y = ax^2 + bx + c
Vertex form: y = a(x - h)^2 + k
Theorems
Parabola behavior based on the sign of a
Shading rules for quadratic inequalities
Suitable Grade Level
Grades 9-11