Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. x2 - 3x ? 4

A. [-4, 1]

B. (-4, 1)

C. [-1, 4]

D. (-?, -4] ? [1, ?)

Answer: C

Mathematics

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A. ? =  (y = x), ? =  (y = - x)
B. ? =  (y = - x), ? =  (y = x)
C. ? =  (y = x), ? =  (y = - x)
D. ? = 0 (y = 0), ? =  (x = 0)

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A. 2% B. 50% C. 51% D. 3%

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Simplify the expression.log8 512

A. 512 B. 3 C. 8 D. 24

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Factor by grouping.12a3 - 9a2b - 16ab2 + 12b3

A. (12a2 - 4b2)(a - 3b) B. (3a2 + 4b2)(4a + 3b) C. (3a2 - 4b2)(4a - 3b) D. (3a2 - 4b)(4a - 3b)

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Mathematics