Inverse variation:
k is a constant
Use the given information (when x=4 y=4) to find the value of the constant:
Then, the given relationship has the next equation:
Use the equation above to find y when x=2:
Can you solve the chart?
1 answer:
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The given question is a quadratic equation and we can use several methods to get the solutions to this question. The solution to the equation are 3/4 and -5/6 and the greater of the two solutions is 3/4
<h3>Quadratic Equation</h3>Quadratic equation are polynomials with a second degree as it's highest power.
An example of a quadratic equation is
The given quadratic equation is
Let's rearrange the equation
This implies that
- a = 24
- b = 2
- c = -15
The equation or formula of quadratic formula is given as
We can substitute the values into the equation and solve
From the calculations above, the solution to the equation are 3/4 and -5/6 and the greater of the two solutions is 3/4
Learn more on quadratic equation here;
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1) Mean
The mean is given by the sum of the data divided by the number of data (4, in this case):
2) Standard deviation
The standard deviation is given by:
where
is the mean, that we already found at point 1), and N=4. Substituting data, we have:
The mean is given by the sum of the data divided by the number of data (4, in this case):
2) Standard deviation
The standard deviation is given by:
where