Provide an appropriate response.The solution of (x + 2)(x + 4)(2x - 3) < 0 is
A. x < -4, -2 < x < 
.
B. -4 < x < -2, x > 
.
C. x < -4, x > 
.
D. -4 < x < -2.
E. -2 < x < 
.
Answer: A
Mathematics
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Provide an appropriate response. Solve for x by completing the square: 2x2 + 4x = 25
A. 21.4, 15.4 B. 5.34, 3.34 C. 2.67, -4.67 D. 10.7, 8.7
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Solve the problem. Round amounts of money to the nearest cent.Larry buys 57 inches of door molding which costs $3.34 per yard. How much does he pay?
A. $5.29 B. $15.87 C. $1.67 D. $6.68
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Multiply and write the result in standard form.(-7 + 2i)(-7 - 2i)
A. 53 B. 49 - 4i2 C. 45 D. 49 + 4i2
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Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.
x + 
y = abx + y = a
A. 
B. 
C. 
D. {(ab (1 - ab), a2 (b2 - 1))}
Mathematics