Use the discriminant to determine the number of real solutions.(2 + 5x)2 = 0
A. Two real solutions
B. One real solution
C. No real solutions
Answer: B
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Graph.(y + 2)2 - (x + 2)2 = 2
A. 
B. 
C. 
D. 
Solve the problem.During a cold front in Alaska the temperature dropped 7°F each hour for 8 hours. Express the total drop in temperature as an integer.
A. 56°F B. -49°F C. -46°F D. -56°F
Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.8x + 1.3y - 4.1z = 2.54.1x - 6.7y + 1.9z = -4.74.6x + 4.8y + 5.6z = 8.1
A. (0.3, 0.5, 0.0) B. (2.2, 4.2, 0.4) C. (1.1, 2.1, 0.2) D. (0.5, 1.1, 0.1)
Express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression.13 and 77
A. -|77 - 13| = -64 B. -|13 + 77| = -90 C. |13 + 77| = 90 D. |13 - 77| = 64