What can be concluded about the distance from point B to CD?

Mathematics

1 answer:

azamat3 years ago

3 0

Remark
Good thing you tried to answer the question. At lease we know how to proceed.

A is wrong, because you can draw a conclusion.

B Remember that CD is constructed so that AB is cut in half. So the distance from CD to B is the same distance as CD to A. Choice B is true.

C is incorrect. CD can be extended to any length as long as CD goes through the point where the two arcs above and below AB meet are joined by C and D, then CD can be any length. In order words, CD can be any length.

D Doesn't have to be. See the answer for C.

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Please I need like an explanation of how it was done.

a_sh-v [17]

Answer:

the point is (3, 3) . . . . . . y = 3

Step-by-step explanation:

Write the point-slope equation of the line through the point you know. Then evaluate that equation for x=3 to see what the value of y is.

Point-slope form:

y = m(x -h) +k . . . . slope m through point (h, k)

y = -1/2(x -9) +0 . . . . line with slope -1/2 through point (9, 0)

For x=3, the value of y is ...

y = -1/2(3 -9) + 0 = -1/2(-6) = 3