Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 - 8x = 15
A. {4 ± 
}
B. {8 ± 
}
C. {4 ± 
}
D. {-4 ± 
}
Answer: A
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Find the global maxima and minima of the function on the given domain.
on the closed triangular region with vertices 
and 
A. Global maximum: 3 at 
global minimum: 0 at 
B. Global maximum: 6 at 
global minimum: 3 at 
C. Global maximum: 9 at 
global minimum: 3 at 
D. Global maximum: 6 at 
global minimum: 0 at 
Evaluate the line integral of f(x,y) along the curve C.f(x, y) = x, C: y = x2, 0 ? x ? 
A. 
B. 
C. 7
D. 
Add in the indicated base.
A. 1428 B. 1568 C. 1318 D. 1508
Solve the problem.There are 3 balls in a hat; one with the number 1 on it, one with the number 4 on it, and one with the number 7 on it. You pick a ball from the hat at random and then you flip a coin. Using a tree diagram , obtain the sample space for the experiment. Then, find the probability that the number on the ball is greater than 6.
A. 
B. 
C. 
D. 