Mathematics, 25.07.2019 17:10 simmers123
For each of the following equations, determine which of the following statements are true:
(1) for all real numbers x, there exists a real number y such that the equation is true.
(2) there exists a realnumber x, such that for allreal numbers y, the equation is true.
note that it is possible for both statements to be true or for both to be false.
a. 2x +y =7
b. y+x = x +y
c. x2 β2xy+y2 =0
d. (x β5)(yβ1) =0
e. x2 +y2 =β 1
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For each of the following equations, determine which of the following statements are true:
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