Learn more X intercepts are the x values where the parabola intersects the x axis. An example of a Quadratic Equation: Quadratic Equations make nice curves, like this one: Name. One important feature of the graph is that it has an extreme point, called the vertex.If the parabola opens up, the vertex represents the lowest point on the graph, or the minimum value of the quadratic function. Sketch a graph showing key features including: intercepts; interval where the function is increasing, decreasing, positive, or negative; Characteristics of Parabolas. This website uses cookies to ensure you get the best experience. The graph of a quadratic function is a U-shaped curve called a parabola. Characteristics of Quadratic functions f(x)= ax2 + bx + c f(x) = a (x h)2 + k Vocabulary Parabola: The ____ shaped graph of a quadratic function. I can rewrite quadratic equations from standard to vertex and vice. It is also called an "Equation of Degree 2" (because of the "2" on the x) An x-intercept of a graph is the x-coordinate of a point where the graph Step 5: For extra accuracy… Find another point to … Step 1: Identify a, b, and c. Step 2: Find the vertex. Recognizing Characteristics of Parabolas . The name Quadratic comes from "quad" meaning square, because the variable gets squared (like x 2). Step 4: Plot the y-intercept and its reflection in the axis of symmetry. Properties of Quadratic Functions f(x) = ax2 + bx + c, a > 0 f(x) = ax2 + bx + c, a < 0 y x y minimum decreasing increasing x = − b 2a x maximum increasing decreasing x = − b 2a Because the vertex is the highest or lowest point on a parabola, its y-coordinate is the maximum value or minimum value of the function. F x 2 x 3 2 4. The graph of a quadratic function is a U-shaped curve called a parabola.One important feature of the graph is that it has an extreme point, called the vertex.If the parabola opens up, the vertex represents the lowest point on the graph, or the minimum value of the quadratic function. Quickly master how to find characteristics of quadratic functions. Parabola is the graph of a quadratic function. Key Characteristics of Quadratic Functions MGSE9-12.F.IF.4 Using tables, graphs, and verbal descriptions, interpret the key characteristics of a function which models the relationship between two quantities. Example 2: Graph =32−6+1. By using this website, you agree to our Cookie Policy. Section 2.2 Characteristics of Quadratic Functions 73 Graphing Quadratic Functions Using x-Intercepts When the graph of a quadratic function has at least one x-intercept, the function can be REMEMBER written in intercept form, f(x) = a(x − p)(x − q), where a ≠ 0. Graphing a Quadratic Function in Standard Form. Recognizing Characteristics of Parabolas. The graph of a quadratic function is a U-shaped curve called a parabola. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 67d0d2-YzU3Z The vertex of a parabola lies on the Share – 5-10 minute class discussion of ideas answering the prompt “Describe different characteristics of quadratic functions and their graphs” Part of the reason for setting up this subsection in the way I did was to provide opportunities for students to engage in the four major domains of language (listening, reading, speaking and writing). Characteristics of quadratic functions find the zeros of each quadratic function from its graph. Sketch the graph of the relation y x2 6x. Step 3: Plot the vertex and the axis of symmetry. Quadratic Equations. Working with quadratic functions can be less complex than working with higher degree functions, so they provide a good opportunity for a detailed study of function behavior. Free quadratic equation calculator - Solve quadratic equations using factoring, complete the square and the quadratic formula step-by-step.