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When the parabola concave downward and upward?
If the number in front of the x squared is negative, then the parabola will open upwards. The opposite occurs when the number is positive.
if the parabola open upward a is?
positive.
What way does the parabola open if a is greater than 0?
If a is greater than zero then the parabola opens upward.
Which way does a parabola open when the coefficent of its x2-term a is negative?
Opens downward.
In which directions does this hyperbola open?
X2 + whatever would open upward. - X2 + whatever would open downward. y2 + whatever would open to the right. - y2 + whatever would open to the left.
What does changing the value of a from a negative number to a positive number cause the parabola to do?
open upward
When does a parabola open upward?
A parabola opens upward when its leading coefficient (the coefficient of the (x^2) term in the quadratic equation (y = ax^2 + bx + c)) is positive. This means that as you move away from the vertex of the parabola in both the left and right directions, the values of (y) increase. Consequently, the vertex serves as the minimum point of the parabola.
What does changing the value form a positive number to a negative number cause a parabola to do?
Changing the value of a parabola's coefficient from positive to negative causes the parabola to open downward instead of upward. This transformation affects the vertex's position and the overall direction of the graph. As a result, the maximum point becomes the vertex, while the minimum point is no longer defined. The shape is inverted, leading to different intercepts and behavior in relation to the x-axis.
What does a parabola solution look like on a graph?
A parabola solution on a graph appears as a symmetrical U-shaped curve. It can open either upward or downward, depending on the coefficient of the squared term in its equation (e.g., (y = ax^2 + bx + c)). The highest or lowest point of the parabola is called the vertex, and the axis of symmetry runs vertically through this point. The shape is defined by how wide or narrow it is, which is influenced by the value of (a).
How does the graph of y 4x2 compare to the graph of y x2?
Their noses are both at the origin, and they both open upward, but y=4x2 is a much skinnier parabola.
What determines whether the graph of the quadratic function will open upward or downward?
The slope of your quadratic equation in general form or standard form.
What does a rocker do for valves?
The cam pushes the lifter and pushrod up. The rocker sits on a fulcrum, which converts the upward motion of the pushrod into downward motion to open the valve.
