Solve using Cramer's Rule.
A. (3, -1, 7)
B. (2, 1, 7)
C. (2, -1, -7)
D. (1, 7, 1)
Answer: B
Mathematics
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Simplify the expression by combining like radicals where possible.5
+ 
- 4
A. 2
B. 
+ 
C. 9
+ 
D. 
Mathematics
Solve.The perimeter of a rectangle is 62 feet. Describe the possible length of a side if the area of the rectangle is not to exceed 198 square feet.
A. The length of the shortest side cannot exceed 22 feet. B. The length of the shortest side must be at least 9 feet. C. The length of the shortest side cannot exceed 9 feet. D. The length of the shortest side must be at least 22 feet.
Mathematics
Solve by extracting square roots.(x + 16)2 - 6 = 0
A. {-4 ± 
}
B. {-16 ± i
}
C. {-16 ± 
}
D. {-10, 22}
Mathematics
Simplify. Assume that all variables represent positive numbers.
A. 14x2 B. 36x2 C. 6x2 D. 6x3
Mathematics