2. (a) Let L2×2 denote vector space of all 2 × 2 lower triangular real matrices. Determine if B = 1 0 2 3 , 2 0 −2 1 , −2 0 −2 −2 forms a basis for L2×2. (b) Let U2×2 denote vector space of all 2 × 2 upper triangular real matrices. Determine if B = 1 2 0 3 , 2 2 0 1 , −1 0 0 2 forms a basis for U2×2.

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

the answer is b

yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.