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OpenStudy (anonymous):
Evaluate b-2a-2 for a= -7 b= 3 c= -7
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OpenStudy (stamp):
Plug the values in for their appropriately matched variable.
OpenStudy (anonymous):
plug in -7 for a in the equation. plug in 3 for b in the equation (b-2(a)-2)
Directrix (directrix):
Evaluate b-2a-2 a= -7 b= 3 c= -7 ----------------------------- ( ) - 2 ( ) - 2 (3 ) - 2 ( -7) - 2 = ?
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