Solve the equation by clearing the coefficient.-k = 22
A. k = 21
B. k = -22
C. k = 22
D. k = -21
Answer: B
Mathematics
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Solve.14 = 14 + m
A. 0 B. 28 C. 1 D. 7
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x2 + 4y2 = 4
A. 4 cos2 ? + sin2 ? = 4r B. r2(cos2 ? + 4 sin2 ?) = 4 C. r2(4 cos2 ? + sin2 ?) = 4 D. cos2 ? + 4 sin2 ? = 4r
Mathematics
Solve the quadratic equation. Write the answer in simplest form.(p + 5)2 = 11
A. {-
, 
}
B. {-5 - 
, -5 + 
}
C. {5 - 
, 5 + 
}
D. {6}
Mathematics
Evaluate dz.z = 
; x = -1, y = 1, dx = -0.01, dy = -0.03
A. -0.02500 B. -0.01111 C. -0.03444 D. -0.05000
Mathematics