The equation below describes a parabola. If a is positive, which way does the parabola open? x=ay^2
1 answer:
Positive parabolas are concave, and usually open upwards or downwards if they are functions ( functions have one output for every input). However, since your equation is x=ay^2, then your parabola is set to point rightwards (note, it is not a function since for every input of x, you can have multiple outputs of y). The above image was found by typing your equation into Google search, so as to give you an idea of what I am talking about and also to check my own answer.
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Changing the subject of the formula into v means expressing v in terms of the other given variables. So given the original equation, as shown below, we can rearrange it so that we have v isolated on one side.
To isolate v, we can just multiply s to both sides and come up with the final equation below.
Thus, we have v = s(1 - F/f) with v as the subject of the formula.
Answer: v = s(1 - F/f)
To isolate v, we can just multiply s to both sides and come up with the final equation below.
Thus, we have v = s(1 - F/f) with v as the subject of the formula.
Answer: v = s(1 - F/f)