Factor the polynomial by grouping.x3 - 9x + 4x2 - 36
A. (x - 3)2(x + 4)
B. (x2 - 9)(x + 4)
C. (x + 3)(x - 3)(x + 4)
D. prime
Answer: C
Mathematics
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Find the convergence set for the given power series. Hint: First find a formula for the nth term; then use the Absolute Ratio Test.
+ 
+ 
+ 
+ . . .
A. -3 < x < -1 B. 1 ? x ? 3 C. -3 ? x ? -1 D. All x
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Find the product.(9m + 10)2
A. 81m2 + 180m + 100 B. 9m2 + 180m + 100 C. 81m2 + 100 D. 9m2 + 100
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Solve for the unknown in the equation.76 = 10S + 6
A. S = 64 B. S = 7 C. S = 1 D. S = 60
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Solve by using the quadratic formula.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
Mathematics