a. Their dot product is 0. | ||
b. Their cross product is 0. | ||
c. Their dot product is 1. | ||
d. Both A and B | ||
e. Both B and C |
a. 0 | ||
b. 1 | ||
c. Infinitely many | ||
d. All of these answers | ||
e. None of these answers |
a. Column space | ||
b. Determinant | ||
c. Nullspace | ||
d. Eigenvectors | ||
e. Inverse |
a. They have the same nullspace. | ||
b. They have the same eigenspace. | ||
c. One can be changed to the other by a sequence of elementary row operations. | ||
d. Both A and C | ||
e. Both B and C |
a. =1 | ||
b. =0 | ||
c. cannot be determined |
a. 1., 3. and 4. | ||
b. 2. and 3. | ||
c. 2., 3. and 4 | ||
d. 1. and 2. | ||
e. 1., 2., and 3. |
a. Every element of has an additive inverse. | ||
b. If and and , then | ||
c. has a well-defined inner product. | ||
d. All of the above | ||
e. A and B only |
a. The determinant of is . | ||
b. has rank | ||
c. The determinant of is . | ||
d. is symmetric | ||
e. is orthogonal |