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poizon [28]
4 years ago
10

Which equation is used with right triangles? Question 1 options: a2 + b2 = c2 2a + 2b = 2c a + b = c from K12

Mathematics
1 answer:
astraxan [27]4 years ago
6 0

Answer:

a^2 + b^2 = c^2

Step-by-step explanation:

The Pythagorean theorem is

a^2 + b^2 = c^2 where a and b are the legs of the triangle and c is the hypotenuse

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Which is the standard form of the equation of the parabola that has a vertex of (–4, –3) and a directrix of x = 2?
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Answer:

Equation of the parabola is \left(y+3\right)^{2}=-24(x+4)

Step-by-step explanation:

We have to find the equation of a parabola with vertex is (-4,-3) and a directrix x=2.

As vertex is (-4,-3) that means parabola is in third quadrant.

So the standard formula of the parabola will be y²= -4px through origin (0,0).

But when a parabola is shifted from origin to the left of y axis so the equation will be (y-shifting form y axis)² = -4(distance between vertex and directrix)(x-shifting from x axis)

\left\{y-(-3)\right\}^{2}=(-4\times 6)\left\{x-(-4)\right\}

\left(y+3\right)^{2}=-24(x+4).



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