Solve the problem.Let u = 5i + j, v = i + j, and w = i - j. Find scalars a and b such that u = av + bw.
A. 3.000 v + 2.000w
B. 5v - w
C. 0.3333 v + 0.5000 w
D. 5v + w
Answer: A
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Solve the application. Write an expression to describe the situation and simplify the expression for the final answer.The stock market gained 58 points on Tuesday and lost 50 points on Wednesday. Find the difference between these changes.
A. -58 - (50) = -108; The difference is -108 points. B. 58 - (-50) = 108; The difference is 108 points. C. 58 - (50) = 8; The difference is 8 points. D. -58 - (-50) = -8; The difference is -8 points.
Solve the rational equation.
= 0
A. {-9} B. {8} C. {9} D. {-8}
Use intercepts and a checkpoint to graph the linear function.2x - 10y = 10
A. (0, -5), (1, 0)
B. (0, 5), (-1, 0)
C. (0, -1), (-5, 0)
D. (0, -1), (5, 0)
Find the unknown coordinate so that the ordered pair satisfies the given equation.y = 
x - 1, (0, ? )
A. 1 B. -1 C. 6 D. -6