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
Mathematics
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With the given set of components, find R and ?.Rx = 2.0, Ry = 1.0
A. R = 3.0, ? = 27° B. R = 2.2, ? = 27° C. R = 2.2, ? = 210° D. R = 3.0, ? = 210°
Mathematics
Evaluate the integral.
A. 2
- 5 ln 
+ C
B. 2
+ 5 ln 
+ C
C. 2
+ C
D. 2
+ 5 tan-1 
+ C
Mathematics
Indicate whether the function is one-to-one.{(10, -13), (1, -8), (-12, -12)}
A. Yes B. No
Mathematics
Graph the function. State the amplitude, period, and phase shift.y = 5 sin x - 5 cos x
x-scale = 
y-scale = 10
A. Amplitude 35.36, period 2?,
phase shift 
x-scale =  | y-scale = 10 |
B. Amplitude 35.36, period ?,
phase shift -
x-scale =  | y-scale = 10 |
C. Amplitude 5, period 2?,
phase shift
x-scale =  | y-scale = 10 |
D. Amplitude 5, period 2?,
phase shift -
x-scale =  | y-scale = 10 |
Mathematics