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Mathematics 14 Online
OpenStudy (thecatman):

How many different variables are in the expression eight r minus one plus nine r minus two quantity q minus one end quantity plus eleven ? Name each variable.

OpenStudy (thecatman):

@whpalmer4

OpenStudy (whpalmer4):

how many unique letters do you see there?

OpenStudy (thecatman):

2

OpenStudy (thecatman):

sorry 1

OpenStudy (whpalmer4):

uh, aren't q and r different letters?

OpenStudy (whpalmer4):

\[8r-1+9r-2(q-1)+11\]

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