Suppose a transformation l: ℝ3 → ℝ3 satisfies l
100
=
−2
00
, l
010
=
010
and l
001
=
00
−2

i. what is the matrix a that represents the transformation l?
ii. what is the geometric effect of the transformation l?
iii. sketch the image of the unit cube after transformation by l.

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright