Assuming the standard definitions of addition and scalar multiplication, decide whether or not the following sets are vector spa
ces.Justify your answers by verifying that all properties of a vector space are satisfied or that at least one of the properties fails to hold.(a) The setVof all3×3lower triangular matrices (all entries above the main diagonal are zero).(b) The setVof all2×2matrices whose determinants are 0.
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Answer:
Option C. 4(20-16y): Each side measures 20-16y units.
Step-by-step explanation:
we know that
The perimeter of a square is equal to
where
b is the length side of the square
we have
substitute the given value in the formula
solve for b
Divide by 4 both sides
Rewrite the expression
<em>Alternative Method</em>
we have
Factor 4
so
Each side measures (20-16y) units.