Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.3x + y + 3z - w = -6 -x - 2y + z - 4w = 5 -2x + 3y + 3z + w = 7 3x - y - z - 4w = -13
A. (-1, 0, 4, 3)
B. (-3, -2, 2, 1)
C. (-3, 2, -2, -1)
D. No solution
Answer: B
You might also like to view...
Name the conic or limiting form represented by the given equation.-5x2 + 30x + 4y2 - 56y - 45 = -196
A. Point B. Intersecting lines C. Empty set D. Hyperbola
Write the decimal representing the given rational number.
A. 0.127272 . . . B. 0.424242 . . . C. 0.084848 . . . D. 0.042424 . . .
What is the total current if: I1 = 2 A R1 = 5 ê R2 = 15 ê
´ R2 Ã I1 = ³ ÄÄÄÄÄÄÄ ³ IT. ’ R1 + R2 Å What will be an ideal response?
Solve the problem.Suppose you would like to cross a 219-foot wide river in a boat. Assume that the boat can travel 38 mph relative to the water and that the current is flowing west at the rate of 7 mph. What bearing should be chosen so that the boat will land at a point exactly across from its starting point? Give your answer to the nearest tenth of a degree.
A. 10.6° B. 7.1° C. 79.4° D. 8.5°