What is the equation for finding surface area? Answer and Explanation: It depends entirely on the shape that you are trying to find the surface area of. For a cube, simply add up the areas of each side: http://study.com/academy/lesson/how-to-find-the-surface-area-of-a-cube.html For...
What is a parabola? A parabola is a particular type of geometrical curve which, algebraically, corresponds to a quadratic equation. In geometrical terms, the parabola corresponds to the edge of slice of an inverted cone; this slice is what is called the conic "section". MathHelp.comIn...
What Is Vertex Form? The vertex form of a quadratic equation is written like f (x) = a(x – h)2 + k, with the letter h and the letter k being the vertex point of the parabola.It can be used to create an equation when the vertex of the parabola is known, but other points are...
The vertex (h,k) and focus lie on the axis of the parabola, so the axis is horizontal . An equation of the parabola is (y-k)2 = 4p(x-h). (y-4)2 = 4p(x+5) Since the focus lies 3 units to the right of the vertex, the parabola opens rightward and p = ...
Thus, the vertex formula is:(h, k) = (-b/2a, -D/4a)where D = b2- 4ac Formula 2 If you feel difficult to memorize the above formula, you can just remember the formula for the x-coordinate of vertex and then just substitute it in the given equation y = ax2+ bx + c to get...
The difference between a parabola's standard form and vertex form is that the vertex form of the equation also gives you the parabola's vertex: (h,k). For example, take a look at this fine parabola, y=3(x+43)2−2: Based on the graph, the parabola's vertex looks to be something...
百度试题 结果1 题目Vertex Form. y=-3(x-1)^2+5f(x)=-3(x-1)^2+5What can be oberved? 相关知识点: 试题来源: 解析 y=-3(x-1)^2+5The vertex is (1,5) 反馈 收藏
Parabola | Definition, Formula & Examples from Chapter 15/ Lesson 6 34K Learn about parabolas. Understand what a parabola is, learn how to find the focus of a parabola, examine the equation of parabolas, and see examples of parabolas. Related to this Question...
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What is the equation for an ellipse? For a wider-than-tall ellipse with center at (h, k), having vertices a units to either side of the center and foci c units to either side of the center, the ellipse equation is: For a taller-than-wide ellipse with center at (h, k), having ...