Determine the nature of the roots of the quadratic equation without solving it.
A. two imaginary roots
B. one rational root
C. two irrational roots
D. two rational roots
Answer: C
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Solve the problem using the Egyptian algorithm for multiplication. Give final answer in Hindu-Arabic form.How much would King Solomon have to pay the King of Tyre for the use of 300 tree cutters at 5 shekels per week for a total of 8 weeks?
A. 2400 shekels B. 12,000 shekels C. 1500 shekels D. 313 shekels
Solve the problem.How many four-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
A. 9000 B. 256 C. 8999 D. 10,000
Find the perimeter of the shape made up of rectangles and squares.
A. 126 yd B. 123 yd C. 128 yd D. 111 yd
Calculate the unit vector u = (cos ?)i + (sin ?)j for the given direction angle.? = 
A. 
i - 
j
B. - 
i - 
j
C. - 
i + 
j
D. 
i + 
j