Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 8x - 5 = 0
A. {-4 ± 2
}
B. {4 ± 
}
C. {-1 ± 
}
D. {-4 ± 
}
Answer: D
You might also like to view...
Given the set of real numbers, list the numbers that belong to the given set.{
, 
, -22, 0, 
, 0.95, 5.
}Rational numbers
A. -22, 0, 
, 0.95
B. 
, -22, 0, 
, 0.95
C. -22, 0, 
, 0.95, 5.
D. 
, -22, 0, 
, 0.95, 5.
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 
;
Find the function f ? g.
A. 
B. 
C. 
D. 
Find the domain of the function.f(x) = 
A. {x|x ? -7}, or (-?, -7) ? (-7, ?) B. all real numbers, or (-?, ?) C. {x|x ? 0}, or (-?, 0) ? (0, ?) D. {x|x < 7}, or (-?, 7)
Solve the problem.Alexander and Judy are 26 miles apart on a calm lake paddling toward each other. Alexander paddles at 4 miles per hour, while Judy paddles at 7 miles per hour. How long will it take them to meet?
A. 15 hours B. 1.8 hours C. 2.4 hours D. 8.7 hours