Answer:
x=-3,5
Step-by-step explanation:
In a right triangle, the hypotenuse is √2 x the legs. In this case, the value of x is
.
Answer:

Step-by-step explanation:
I hope it helped U
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Answer:
C
Step-by-step explanation:
The vertex form for a parabola is a(x-h)^2 + k, where h is the x coordinate of the vertex and k is the y coordinate. a represents the amount that the graph has been "squeezed". Therefore, since the coordinates of the vertex of this parabola are (2,4), and it is "squeezed" by a factor of 2, the correct answer is C. Hope this helps!