A. x = -3 B. x = 3 C. y = -3 D. y = 3 相关知识点: 试题来源: 解析 B。二次函数顶点式 y = (x - 3)^2 + 1 的对称轴为直线 x = 3。选项 A 错误;选项 C 和 D 是纵坐标,不是对称轴。反馈 收藏
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In this lesson, understand what a symmetric graph is. Understand what is x-axis symmetry and y-axis symmetry and how a test for symmetry is done...
Axis of Symmetry Formula Examples Finding the Vertex of a Parabola How to Find the Axis of Symmetry on a Graph Lesson SummaryShow Frequently Asked Questions What is the axis of symmetry and vertex? The axis of symmetry is the line perpendicular to the directrix that passes through the focus...
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?
The graph is divided by its symmetry axis. 这个图形沿着对称轴左右对称。 Most of the characters we use in our daily writing do not have axes of symmetry. 我们日常使用的文字大部分没有对称轴。 权威例句 axis of symmetry Axis of symmetry ...
Axis of Symmetry Alineofsymmetryfor agraph. The two sides of a graph on either side of the axis of symmetry look like mirror images of each other. Example: This is agraphof theparabolay = x2– 4x+ 2together with its axis of symmetryx= 2. ...
Picture of the axis of symmetry Every parabola has anaxis of symmetrywhich is the line that divides the graph into two perfect halves. On this page, we will practicedrawing the axis on a graph, learningthe formula,stating the equationof theaxis of symmetrywhen we know the parabola's equatio...
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Does the graph of y^2-xy=5 have y-axis symmetry?Justify your answer algebraically showing work.我的理解就是y^2-xy=5是否关于y轴对称?用代数方法进行判断. 相关知识点: 试题来源: 解析 你的理解是对的,题意:y^2-xy=5是否关于y轴对称?并用代数方法证明它..先解出函数解析式:y=x/2+√(x ...