Solve by completing the square to obtain exact solutions.x2 = 9 - 4x
A. -1 ± 
B. -2 ± 
C. 2 + 
D. -2 ± 2
Answer: B
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Solve. Round to the nearest tenth when necessary.Jack and Jill are planning a new kitchen. The old kitchen measured 8 feet by 17 feet. The new kitchen is similar in shape, but the longest dimension is 24 feet. What is the smaller dimension of the new kitchen?
A. 51 ft B. 11.3 ft C. 3264 ft D. 5.7 ft
Name the type of interval shown in the graph below.
A. open interval interval B. closed interval interval C. half-open interval interval
Factor, if possible.25x5 - 10x3y + xy2
A. 5x(x2 - y)2 B. x(5x2 - y)(5x2 + y) C. x(5x2 + y)2 D. x(5x2 - y)2
The SAT scores (x) of Florida high school students are normally distributed with mean µ= 1200 and standard deviation ?= 100. Top 33% of these students are expected to get full tuition scholarship. What is the minimum score for this scholarship?