Use the square root property to solve the quadratic equation.x2 = 22
A. ±
B. 11
C. ±484
D. 
Answer: A
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Use a graphing calculator to solve the equation to the nearest tenth.3x2 - 8x - 9 = 0; x between 3 and 4
A. 3.5 B. 3.4 C. 3.7 D. 3.6
In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.The target population for this survey is
A. all undergraduates at the University of Miami. B. the 180 students that had an opinion. C. all American undergraduate college students. D. the 200 students that were interviewed. E. none of these
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.36-3/2
A. - 
B. -216
C. 216
D. 
Solve by the quadratic formula. If there are no real roots, say so.b2 + 
b = 
A. b = 0, b = 
B. No real solution
C. b = - 
, b = -
D. b = 