5x-2y+3z-2x-y+4z solve

2 answers:

6 0

I'm not exactly sure how to approach this problem because it does not have an output, but we can combine like terms.
Add all the x, y, and z together with the numbers.
3x-3y+7z is the final answer.

Jlenok [28]2 years ago

6 0

<span><span>3x-</span><span>3y</span></span>+<span>7<span>z, would be the answer because you have to group like terms so first off you would take 5x-2x which will give you 3x then you take -2y-y which gives you -3y so that you would have 3x-3y and then you would take 3z+4z which would give you 7z therefore the solution to the system is 3x-3y+7z

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Answer: Choice C

Vertex = (5, -2)

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Explanation:

Vertex form is $y = a(x-h)^2 + k$ where the vertex itself is located at (h,k)

As the name implies, we can very quickly pull out the coordinates of the vertex without doing much math at all.

In the case of choice C, we have $y= \frac{1}{2}(x-5)^2 - 2$ which is the same as $y = \frac{1}{2}(x-5)^2 + (-2)$ and we can see that h = 5 and k = -2. Therefore, the vertex is located at (h,k) = (5, -2)