Parabolas 8
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Lesson Summary:
In this lesson, we learn how to graph a parabola and state all of its important components, such as the axis of symmetry, vertex point, maximum or minimum point, y-intercept, x-intercepts, domain, and range. By plugging in different values for x, we can determine the corresponding y values and plot the points on the graph. With practice, we can become proficient in graphing quadratic functions and interpreting their properties.
Lesson Description:
Graphing Parabolas Part 8;
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you graph a parabola in standard form?
- How do you find the vertex and axis of symmetry for a parabola?
- How do you know whether a parabola opens up or down?
- How do you know whether the graph of a parabola will be steep or wide?
- How do you find the x-intercepts and y-intercept of a parabola?
- How do you find the domain and range of a parabola?
- How do you find the max / min of a parabola?
- How do you graph f(x) = (1/2)x^2 + 2x - 6?
- What is the equation for the vertex and axis of symmetry of a parabola?
- How do you convert a quadratic equation from standard form to vertex form?
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Staff Review
In this lesson, you will learn to take a quadratic equation in standard form and find the axis of symmetry, vertex point, max / min value, x-intercepts, y-intercept, domain, range, and determine whether the parabola will open up or down and be steep or wide. All steps required to determine these characteristics of the graph are shown and explained.
