Teacher/User Name: DEMO  Name:__________________________ 
Practice Problems By Easy Worksheet
 Period: ________ Date: ____________ 
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Solve:  
1)  Define a linear transformation by T:ℜ^{2} → ℜ^{2} by T(x) = Ax. Given A and u below, find T(u).
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2)  Define a linear transformation by T:ℜ^{3} → ℜ^{2} by T(x) = Ax. Given A below, find all x in ℜ^{3} whose image under T is the zero vector.
 
3)  Is this a linear transformation? Prove it is or that it is not.
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4) 
