What is the equation for the axis of symmetry of a quadratic function y = 3x² + 6x + 2? A. x = -1 B. x = -2 C. x = -3 D. x = -4 相关知识点: 试题来源: 解析 A。解析:For the function y = 3x² + 6x + 2, a = 3 and b = 6. Using the formula x = -b/...
that divides this parabolic curve into two equal halves is known as the six of symmetry of a quadratic function. The axis of symmetry always passes through the vertex and focus of the parabolic curve. So the {eq}x {/eq}-coordinate of the vertex is the equation of the axis of...
Vertex form of the equation of a quadratic function:The equation f(x)=a(x−h)2+k is called the vertex form of the equation of a quadratic function. The vertex of the graph of the function is the point (h,k)...
Axis of Symmetry, Axis of Symmetry Definition, What is axis of symmetry? Axis of symmetry formula, Axis of symmetry equation, How to find axis of symmetry?
百度试题 结果1 题目 7. Given x =4 is the axis of symmetry of the graph of the quadratic function f(x) =7 + 8x-x2,determine the coordinates of the maximum point. 相关知识点: 试题来源: 解析 (4 , 23) 反馈 收藏
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Learn the concept of the axis of symmetry of a geometrical shape. Understand the formula for finding the equations of the axis of symmetry & vertex...
Getting the same function after placing the value of x as-x, then calling the supplied function Y-axis symmetric, and getting the same function after replacing y with -y, calling it x-axis symmetric. Here are examples of finding the symmetry of a function: Example 1: Consider an equation...
I believe x=-b/2a is the axis of symmetry, not y=-b/2a, as you explain. Report 01/10/14 Steve S. One way to remember this is with the Quadratic Formula: x = (-b±√(b^2-4ac))/2/a = -b/2/a ±√(b^2-4ac))/2/a The roots are equal distances from the value x ...
How to Find the Axis of Symmetry: Finding the axis of symmetry, like plotting the reflections themselves, is also a simple process. In this case, all we have to do is pick thesame pointon both the function and its reflection, count the distance between them, divide that by 2, and coun...