Answer:
do you want us to answer all of them?
Step-by-step explanation:
We can use quadratic formula to determine the roots of the given quadratic equation.
The quadratic formula is:

b = coefficient of x term = 4
a = coefficient of squared term = 1
c = constant term = 7
Using the values, we get:
So, the correct answer to this question is option A
<em>Answer:</em>
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<em>Step-by-step explanation:</em>
<em>Khan academy huh?</em>
- <em>put the numbers in order from least to greatest.</em>
- <em>find the median</em>
- <em>find the difference between the median and all of the other numbers.</em>
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<em>P.S. If you were looking for somebody to tell you the answer don't hold your breath.</em>