Which value of x would make NO || KJ? 1 6 8 10
2 answers:
Answer:
x = 8
Step-by-step explanation:
If NO is parallel to KJ then the sides LK and LJ are in proportion, that is
=
, substitute values
=
(cross- multiply )
x(x - 3) = (x + 2)(x - 4) ← expand factors on both sides
x² - 3x = x² - 2x - 8 ( subtract x² - 2x from both sides )
- x = - 8 ( multiply both sides by - 1 )
x = 8
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Answer:
To find the inverse of a function you just need to switch the x by y or vice-versa:
-> y = 2x + 1
-> x = 2y + 1
After that you isolate the y again:
-> 2y = x - 1
-> y = (x-1)/2
-> f^-1 (x) = (x-1)/2
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