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chapter4

QuestionAnswer
Matrix Is a rectangular arrangements of objects,each of which is called an element of the matrix.
Point matrix A 2x1 matrix is a point matrix. EX)(5,2)[5] 2
Scalar multiplication The product of a scalar k and A is the matrix kA in which each element is k times the corresponding element A.
Transformation Is a one to one correspondence between the points of a preimage and the points of an image.
reflection is a transformation that maps a figure to its reflection image.
theorem if two lines with slope m1 and m2 are perpendicular, then m1m2=-1
theorem if two lines have slope m1 and m2 and m1m2=-1 then the lines are perpendicular.
Created by: kaleighbrown
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