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/...
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...
Theaxis of symmetry, which is the midline of the parabola, and thelatus rectum, which is perpendicular to the axis of symmetry, intersect at thefocus(see Figure 1) of the parabola. The distance between the focus and the vertex is called thefocal length,p. ...
In Graph 3, what is the equation of the axis of symmetry? Graph 3 It is the linex=−1 Axis of Symmetry Formula There are two different formulas that you can use to find the axis of symmetry. One formula works when the parabola's equation is invertex formand the other works when ...
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Parabola equations are written in the standard form of y=ax^2+bx+c. This form can tell you if the parabola opens up or down and, with a simple calculation, can tell you what the axis of symmetry is. While this is a common form to see an equation for a pa
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The parabola's axis of symmetry (x = h) is a vertical line passing through the vertex, so as demonstrated above, this is x = 1. 4. Calculate the X-intercepts You can solve it using the quadratic formula: x = -b ±√(b² – 4ac) / (2a). Substitute the values of a, b and...
If the heated body is geometrically symmetrical along the axis of symmetry, the Neumann boundary condition can be formulated as [20]∂T∂n=0 The Neumann boundary condition implies that the temperature gradient in a direction normal to the axis of symmetry is zero. In other words, there is...
How to Find the Axis of Symmetry From the General Form of the Equation of a Parabola Step 1:Determine theaandbvalues from the general form of the quadratic equation that we are given. Step 2:Substitute theaandbvalues into the equation {eq}x=\dfrac{-b}{2a} {/eq}. ...