Solve by completing the square to obtain exact solutions.x2 + 4x + 53 = 0
A. -2 ± i
B. -2 ± 7i
C. 5, -9
D. 2 ± 7i
Answer: B
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Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.A one-story building is 190 ft by 340 ft. If a square patio with sides 27 ft occupies the center of the building, how much area remains for offices?
A. 1033 ft2 B. 1060 ft2 C. 952 ft2 D. 63,871 ft2
Solve.A psychologist administers four different tests and then graphs the number of minutes it takes for her patient to complete each test. Determine how many more minutes were needed for the patient to complete Test 4 than to complete Test 3.
A. 10 minutes B. 30 minutes C. 20 minutes D. 40 minutes
Use synthetic division to determine whether x - c is a factor of the given polynomial.x3 - 10x2 + 10x + 72; x + 6
A. Yes B. No
Express the solution set of the inequality in interval notation.x ? 4
A. [4, ?) B. (-?, 4] C. (4, ?) D. (-?, 4)