Solve the quadratic equation by completing the square.x2 - 2x - 4 = 0
A. 2 ± 
B. -1 ± 
C. -2 ± 2
D. 1 ± 
Answer: D
Mathematics
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Evaluate the integral.
A. - 96 B. - 24 C. - 72 D. 144
Mathematics
Find the range for the given data.Each student in a sixth-grade class recorded the amount of time he or she had spent watching television during a one-week period. The times (in hours) are listed below.13.2?22.5?8.1?25.6?15.928.3?25.8?15.4?12.8?23.0
A. 15.9 hours B. 8.1 hours C. 9.3 hours D. 20.2 hours
Mathematics
Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A. Absolute maximum only.
B. No absolute extrema.
C.
| Absolute minimum only. |
D. Absolute minimum and absolute maximum.
Mathematics
Factor.(5w + 7)(w + 8) + (w + 1)(w + 8)
A. (w + 8)(6w + 1) B. 2(w + 8)(3w + 4) C. 2(2w + 16)(3w + 4) D. (w + 8)(6w + 8)
Mathematics