Does maximum open up or down?

Vertical parabolas give an important piece of information: When the parabola opens up, the vertex is the lowest point on the graph — called the minimum, or min. When the parabola opens down, the vertex is the highest point on the graph — called the maximum, or max.
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Is maximum up or down on a graph?

If the parabola opens up, the vertex represents the lowest point on the graph, or the minimum value of the quadratic function. If the parabola opens down, the vertex represents the highest point on the graph, or the maximum value.
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How do you tell if a function opens up or down?

There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.
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What does maximum mean in parabola equation?

The maximum value of a parabola is the y-coordinate of the vertex of a parabola that opens down. The minimum value of a parabola is the y-coordinate of the vertex of a parabola that opens up. We can identify the minimum or maximum value of a parabola by identifying the y-coordinate of the vertex.
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How do you find maximum and minimum?

When a function's slope is zero at x, and the second derivative at x is:
  1. less than 0, it is a local maximum.
  2. greater than 0, it is a local minimum.
  3. equal to 0, then the test fails (there may be other ways of finding out though)
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Parabolas: Open up or down? Min or Max?



How do you find a minimum or maximum?

To find the maximum or minimum value of a quadratic function, start with the general form of the function and combine any similar terms. For example, if you're starting with the function f(x) = 3x + 2x - x^2 + 3x^2 + 4, you would combine the x^2 and x terms to simplify and end up with f(x) = 2x^2 + 5x + 4.
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How do you find the minimum or maximum of a quadratic function?

Finding max/min: There are two ways to find the absolute maximum/minimum value for f(x) = ax2 + bx + c: Put the quadratic in standard form f(x) = a(x − h)2 + k, and the absolute maximum/minimum value is k and it occurs at x = h. If a > 0, then the parabola opens up, and it is a minimum functional value of f.
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What is the maximum of a quadratic function?

Finding max/min: There are two ways to find the absolute maximum/minimum value for f(x) = ax2 + bx + c: Put the quadratic in standard form f(x) = a(x − h)2 + k, and the absolute maximum/minimum value is k and it occurs at x = h. If a > 0, then the parabola opens up, and it is a minimum functional value of f.
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What is the maximum minimum of a parabola called?

A parabola which opens up has a lowest point and a parabola which opens down has a highest point. The highest or lowest point on a parabola is called the vertex.
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What letter determines if a parabola opens up or down?

If the y is squared, it is horizontal (opens left or right). If a is positive, the parabola opens up or to the right. If it is negative, it opens down or to the left. The vertex is at (h, k).
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When graphing which parabola opens down?

If a<0 in f(x)=ax2+bx+c, the parabola opens downward. In this case the vertex is the maximum, or highest point, of the parabola. Again, a large negative value of a makes the parabola narrow; a value close to zero makes it wide. For an equation in standard form, the value of c gives the y-intercept of the graph.
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How do you find the minimum and maximum of a graph?

The maximum value of a graph is the point where the y-coordinate has the largest value. The minimum value is the point on the graph where the y-coordinate has the smallest value.
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How do you find the maximum?

Explanation: To find the maximum, we must find where the graph shifts from increasing to decreasing. To find out the rate at which the graph shifts from increasing to decreasing, we look at the second derivative and see when the value changes from positive to negative.
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How do you find the minimum or maximum of a vertex?

You just need to check the "a" value of the function. If a>0, then the parabola opens upward (smiley), and the y-value of the vertex is the minimum value of the function. If a<0, then the parabola opens downward (frowny), and the y-value of the vertex is the maximum value of the function.
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What does at the maximum of mean in math?

The largest value. The maximum of {14, 4, 16, 12} is 16.
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How do you find the maximum point of a curve?

To find the maximum/minimum of a curve you must first differentiate the function and then equate it to zero. This gives you one coordinate. To find the other you must resubstitute the one already found into the original function.
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How do you find the maximum and minimum of a set of data?

The largest value in a data set is often called the maximum (or max for short), and the smallest value is called the minimum (or min). The difference between the maximum and minimum value is sometimes called the range and is calculated by subtracting the smallest value from the largest value.
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What is the maximum of a number?

The maximum is a unique number for a given set of data. This number can be repeated, but there is only one maximum for a data set. There cannot be two maxima because one of these values would be greater than the other. We order the values in ascending order and see that 1 is the smallest of those in the list.
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What is direction of opening?

Direction of opening of graph is dependent on the value of. . If a>0 then graph opens upwards and if a<0 then graph opens downwards.
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What is the difference between minimum and maximum?

Minimum means the least you can do of something. For example, if the minimum amount of dollars you must pay for something is seven, then you cannot pay six dollars or less (you must pay at least seven). You can do more than the minimum, but no less. Maximum means the most you can have of something.
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What is maxima and minima in maths?

In mathematical analysis, the maxima and minima (the respective plurals of maximum and minimum) of a function, known collectively as extrema (the plural of extremum), are the largest and smallest value of the function, either within a given range (the local or relative extrema), or on the entire domain (the global or ...
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What is maximum point?

maximum, In mathematics, a point at which a function's value is greatest. If the value is greater than or equal to all other function values, it is an absolute maximum. If it is merely greater than any nearby point, it is a relative, or local, maximum.
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How do you find concave up and down?

If f "(x) > 0, the graph is concave upward at that value of x. If f "(x) = 0, the graph may have a point of inflection at that value of x. To check, consider the value of f "(x) at values of x to either side of the point of interest. If f "(x) < 0, the graph is concave downward at that value of x.
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