The following is the graph of the quadratic parent function. T/F?
1 answer:
Answer:
Step-by-step explanation:
The graph of the parent quadratic has the equation
which has its vertex at the origin. That means that (0, 0) is on the graph. Let's check a few other points. It looks like (1, 1) is also on the graph. If x = 1 and y = 1, fill them both into the equation and see if one side equals the other side.
and that's true. Let's check one more point. It appears that the point (2, 4) is also on the graph. x = 2 and y = 4:
and that is also true. So it is safe to say that this is in fact the parent graph of the quadratic function, y = x-squared.
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Answer:
87.9
Step-by-step explanation:
Use a calculator or table to find the z-score that corresponds to 25%.
P(Z < z) = 0.25
z = -0.675
Now find the value that corresponds to that z score.
z = (x − μ) / σ
-0.675 = (x − 101.3) / 19.9
x = 87.9
Kaleerain5,
In order to get your answer you must remember that if the exponent is negative move to the left and if the exponent is positive you have to move to the right.
- The exponent is negative so move to the left:
Therefore your answer is ".000857."
Hope this helps!