Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. {(-3, 0)}
B. no solution or ?
C. infinitely many solutions; dependent equations
D. {(0, 0)}
Answer: C
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Solve the problem.A 20-kg mass is attached to a spring that hangs vertically and is stretched 3 m from the equilibrium position of the spring. Assume a linear spring with F(x) = kx. How much work is required to stretch the spring and lower the mass 1 m? Round to four decimal places when appropriate.
A. 16.3333 J B. 424.6667 J C. 228.6667 J D. 212.3333 J
Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = (x - 5)5
A. 
B. 
C. 
D. 
Multiply.(x - 7)(x - 8)
A. x2 + 15x + 56 B. x2 + 15x - 56 C. x2 - 15x + 56 D. x2 - 15x - 56
Write a numerical expression for the phrase and simplify it.4 more than the sum of -8 and 13
A. 13 + [4 - 8]; 17 B. [8 + 13] + 4; 25 C. [-8 + 13] + 4; 9 D. -8 - [13 - 4]; -25