Solve the equation. Express radicals in simplest form.w2 - w = -1

A.
B.
C.
D. ?

Answer: A

Mathematics

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Solve the initial value problem.Differential Equation:  = (12t2 - 5)i - j + kInitial Condition: r(0) = -5i + 3j + 11k

A. r(t) = (4t3 + 5t + 5)i + (3 + t)j + ( + 9)k
B. r(t) = (4t3 - 5t - 5)i + (3 - t)j + ( - 9)k
C. r(t) = (12t3 - 5t - 5)i + (3 - t)j + ( + 9)k
D. r(t) = (4t3 - 5t - 5)i + (3 - t)j + (2 + 9)k

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Mathematics

Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = -4x2

A. vertex (0,0)
axis of symmetry: x = 0

B. vertex (0,0)
axis of symmetry: x = 0

C. vertex (0,0)
axis of symmetry: x = 0

D. vertex (0,-4)
axis of symmetry: x = 0

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Mathematics

Refer to the table to answer the question. Which category and year represents the least change?

A. Training 2008-2009 B. Sales, 2009-2010 C. Catalog, 2008-2009 D. Catalog 2009-2010

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Mathematics

Simplify.-

A.
B. - 
C.
D. - 

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Mathematics