3 years ago

Write equation for the ellipse with foci (9,0) and (-9,0) and endpoints on the verticle axis of (0,2) and (0,-2).

1 answer:

Inga [223]3 years ago

6 0

See the answer on the attached

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vodka [1.7K]

Answer:

Terrance is incorect.

Correct output coordinates (-y,-x)

Step-by-step explanation:

Let $(x,y)$ be the input coordinates.

First translation is a rotation of 180° clockwise about the origin. This translation has a rule

$(x,y)\rightarrow (-x,-y)$

Second translation is a reflection over the line y = x. The general rule for the reflection across the line y=x has the rule

$(a,b)\rightarrow (b,a)$

When a sequence of two translations are applied to the initial input coordinates, then

$(x,y)\rightarrow (-x,-y)\rightarrow (-y,-x)$

As you can see Terrance made a mistake and these two transformations do not cancel themselves out.

8 0

3 years ago

astraxan [27]

Y+3=0 is vertical line -3 on the graph.

Hope this helps there was no choices.

8 0

3 years ago

tresset_1 [31]

C. x is all real numbers

5 0

3 years ago

allsm [11]

3/10=30/100=30%
7/20=35/100=35%
8/25=32/100=32%

4 0

3 years ago

lbvjy [14]

$\frac{3}{15k+30} : \frac{6k}{5k^2+30k+40} = \frac{3}{15(k+2)} . \frac{5(k+2)(k+4)}{6k} = \frac{k+4}{6k}$

8 0

3 years ago