Point U is on line segment TV . Given TV=8 TU=2, determine the length uv .
1 answer:
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Answer:
x = 7/ or 4.949747468
Step-by-step explanation:
45-45-90 triangles have a specific pattern.
The smaller sides are x, & the hypotenuse is
With this knowledge, we know we have to divide the hypotenuse by to get the smaller sides, so we divide 7 by the
to find x.
if we zero out f(x), namely make y = 0, we can get the roots or x-intercepts for this quadratic equation
now, the equation is in x-terms, meaning is a vertically opening parabola, so the axis of symmetry will be x = something, a vertical line.
well, we have two x-intercepts, one at -4 and another at 2, and the vertex is right half-way between those guys
-4------------(-1)------------2
so the vertex is at x=-1, namely the axis of symmetry is x = -1.