Use the quadratic formula to solve the equation. (All solutions are real numbers.)x2 = 7 - 8x
A. {-1 + 
, -1 - 
}
B. {4 + 
}
C. {-4 + 
, -4 - 
}
D. {-4 + 2
, -4 - 2
}
Answer: C
Mathematics
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Use the addition formulas to derive the identity.cos 
= -sin x
What will be an ideal response?
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Evaluate the iterated integral.
A. - 2145 B. - 975 C. - 195 D. - 2535
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Identify the type of surface represented by the given equation.
- 
= 
A. Parabolic cylinder
B.
| Ellipsoid |
C. Paraboloid
D. Hyperbolic paraboloid
Mathematics
Write interval notation for the graph.
A. [0, 4) B. [-4, 0) C. (-4, 0] D. (0, 4]
Mathematics