Solve by completing the square. If the equation has no real solutions, write "no real-number solutions."-x2 + 2x = -1
A. 1 ± 
B. no real-number solutions
C. 
D. -1 ± 
Answer: A
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Write the first four terms of the binomial expansion.(x + 4)20
A. x20 + 3040x19 + 3040x18 + 145,920x17 B. x20 + 80x19 + 3040x18 + 18,240x17 C. x20 + 760x19 + 3040x18 + 72,960x17 D. x20 + 80x19 + 3040x18 + 72,960x17
Solve the problem.You have 104 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 52 feet, width: 26 feet B. length: 78 feet, width: 26 feet C. length: 26 feet, width: 26 feet D. length: 52 feet, width: 52 feet
A deposit slip for a savings account is shown below. Find the subtotal and then the total deposit. Cash247.15Checks (properly endorsed)112.98 46.09Total from reverse side351.89Subtotal Less cash25.57 Total deposit ? Subtotal = __________, Total deposit = __________ ?
What will be an ideal response?
Solve the equation and check.
A. x = 5.5 B. x = 5 C. x = 6 D. x = 7 E. x = 2.5