Graphing a parabola by using the transformations
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- Опубликовано: 8 фев 2025
- 👉 Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either face up or down (if x is squared in the equation) or face left or right (if y is squared).
To graph a quadratic equation, we need to know some essential parts of the graph including the vertex and the transformations. The vertex of a parabola is the turning point of the parabola. It is the point on the parabola at which the curve changes from increasing to decreasing or vice-versa. The transformation can be a vertical/horizontal shift, a stretch/compression or a refection.
Given a quadratic equation in the vertex form i.e. y = a(x - h)^2 + k, the vertex of the parabola formed by the equation is given by (h, k). Knowing the vertex of the graph and the parent graph, we can then apply the required transformation to obtain the required graph.
'h' in the vertex signifies the number of units left or right the the graph of the quadratic equation is shifted. 'k' in the vertex signifies the number of units up or down the the graph of the quadratic equation is shifted.
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I learned more from here than I did a whole year with my school math teacher
damn. that's kinda sad
Why did you shift three units to the left if the three is positive?
anyah crawley because that’s how u do it
Because the rule for horizontal translations is f(x)=f(x-h)
Then if you plug 3 into the h is going to become f(x)=f(x-3).
He’s plugging -3 into h and -1(-3) = +3
Pa eut po
You saved me
happy to help!
Functions and graphs of radicals (parabola amd linear)
Why when you it was a positive 3 you shifted the graph to the left? I thought positive numbers should shift to the right or up.
what does the x do?
What about when a is negative?
Reflect about the x-axis
wdf is dis
math
@@jocelynfreeman6196 yes
You show that it shifts but not why. Not helpful.
Cry