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Mathematics 8 Online
OpenStudy (kweenlexis):

Which statement about the ordered pairs (2, −9) and (3, −6) is true for the equation 5x−y3=13? A. (2, −9) is a solution to the equation. B.(3, −6) is a solution to the equation. C.Both ordered pairs are solutions. D. Neither ordered pair is a solution.

OpenStudy (caozeyuan):

you mean y^3 right, because y3 doesnt make sense

OpenStudy (caozeyuan):

you set x=2, and y=-9, and see if the equation is true

OpenStudy (caozeyuan):

ask yourself, does 5*2-(-9)^3=13, then do the same tot he next pair

OpenStudy (kweenlexis):

i meant \[\frac{ y }{ 3 }\]

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