Solve by completing the square.x2 + 4x = 3
A. 2 + 
B. -2 ± 
C. -2 ± 2
D. -1 ± 
Answer: B
Mathematics
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Express the number in standard notation.1.4070 × 105
A. 14,070 B. 1,407,000 C. 70.35 D. 140,700
Mathematics
Give a geometric description of the set of points whose coordinates satisfy the given conditions.(x - 1)2 + (y - 8)2 + (z - 5)2 < 16
A. All points on the lower hemisphere centered at (1, 8, 5) B. All points outside the lower hemisphere centered at (1, 8, 5) C. All points within the lower hemisphere centered at (1, 8, 5) D. No set of points satisfy the given relations.
Mathematics
Place the correct symbol, < or >, in the blank between the integers.6 
1
A. < B. >
Mathematics
Find the unknown number in the proportion. Write your answer as a whole number or a mixed number if possible.
= 
A. 3
B. 
C. 
D. 1
Mathematics