Provide an appropriate response.A student solved an equation by the quadratic formula and reached the step  x = .What are the solutions of the original equation?

A.
B. , - 
C. , 2
D. The equation has no real number solutions.


Answer: B

Mathematics

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Find the Jacobian  or  (as appropriate) using the given equations.x = 6u cos 8v, y = 6u sin 8v

A. 384v B. 384u C. 288u D. 288v

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Find a power series representation for the function and determine the radius of convergence.

Mathematics

Sketch the graph of the function and find the domain and range.f(x) = x2 - 4

A.

domain: {x|-? < x < ?}
range: {y|y ? -4}
B.

domain: {x|-? < x < ?}
range: {y|y ? 4}
C.

domain: {x|-? < x < ?}
range: {y|y ? 0}
D.

domain: {x|-? < x < ?}
range: {y|y ? -4}

Mathematics

Write the inequality using interval notation, and illustrate the inequality using the real number line.t ? 10

A. (10, ?)

B. (10, ?]

C. [10, ?)

D. [10, ?]

Mathematics