Fill in the blank with one of the words or phrases listed below.
If both sides of an inequality are multiplied or divided by the same positive number, the direction of the inequality symbol is 
.
A. no solution
B. all real numbers
C. reversed
D. the same
Answer: D
Mathematics
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Find the angle between u and v in radians.u = -5i - 7j, v = 9i + 10j + 5k
A. 1.99 B. 2.77 C. -1.20 D. 1.58
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Find the domain of the rational expression.
A. {x|x is a real number and x ? -1 and x ? 7} B. {x|x is a real number and x ? -1} C. {x|x is a real number and x ? 7} D. {x|x is a real number}
Mathematics
Use the discriminant to determine the number of real solutions of the equation. x²- 5.66x + 2.52 = 0
What will be an ideal response?
Mathematics
Approximate the value using a calculator. Express answer rounded to three decimal places.e-1.2
A. 0.601 B. 0.301 C. -3.262 D. -0.301
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