The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).y = x
A. r = cos ?
B. r = sin ?
C. sin ? = - cos ?
D. sin ? = cos ?
Answer: D
Mathematics
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Find the general solution of the differential equation. Use C, C1, C2, . . . to denote arbitrary constants. If used, do not simplify hyperbolic functions.y'(t) = 7 + e-4t
A. y = 7 - 
+ C
B. y = 7t + e-4t + C
C. y = -4e-4t + C
D. y = 7t - 
+ C
Mathematics
Factor the polynomial completely.(p - q)2 + 2(p - q) + 1
A. (p - q + 1)(p - q - 1) B. (p - q + 1)2 C. (p - q - 1)2 D. Prime
Mathematics
Provide an appropriate response.Sketch the graph of a quadratic function for which the value of the discriminant is negative and the graph opens downward.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 5
A. 
, 
B. 6, 4
C. 2, 
D. -3, -7
Mathematics