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Multiple Choice
Determine if the parabola opens up or down.
A
Up
B
Down
C
To the left
D
To the right
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Verified step by step guidance
1
Understand that a quadratic equation is generally written in the form \(y = ax^2 + bx + c\), where \(a\), \(b\), and \(c\) are constants, and \(a \neq 0\).
Identify the coefficients \(a\), \(b\), and \(c\) from the given quadratic equation to understand the shape and position of the parabola.
Find the vertex of the parabola using the formula for the x-coordinate: \(x = -\frac{b}{2a}\). Then substitute this value back into the equation to find the y-coordinate of the vertex.
Determine the axis of symmetry, which is the vertical line passing through the vertex, given by \(x = -\frac{b}{2a}\).
Plot the vertex and additional points by choosing x-values around the vertex, calculate their corresponding y-values, and then sketch the parabola opening upwards if \(a > 0\) or downwards if \(a < 0\).