Find the real solutions, if any, of the equation. Use the quadratic formula.4x2 + 32x + 64 = 0
A. no real solution
B. 
C. 
D. 
Answer: D
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Determine whether the argument is valid or invalid.If Ann so wishes, then Bill will be the president. Manuel is a public defender or Bill will be the president. Manuel is not a public defender. Therefore, Ann does not so wish.
A. Invalid B. Valid
Find the probability.A child rolls a 6-sided die 6 times. What is the probability of the child rolling exactly three sixes? Round to the nearest ten-thousandth.
A. 0.4441 B. 0.0536 C. 0.0594 D. 0.5362
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 3, y = 2, z = 5, w = 5; (3, 2, 5, 5) B. x = -6, y = 29, z = -36, w = -24; (-6, 29, -36, -24) C. x = 2, y = 4, z = 1, w = 7; (2, 4, 1, 7) D. x = 3 + w, y = 2 - 2w, z = 5 + 2w, where w is any real number
Provide an appropriate response. Find the double integral over the rectangular region R with the given boundaries.
R: 0 ? x ? 2, 0 ? y ? 3
A. 
B. 
C. 
D. 