Divide.
A. 2y2 - 5y + 1
B. 2y2 + 5y - 1
C. 2y2 - 1
D. 2y2 + 5y
Answer: B
Mathematics
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Identify the curve represented by the equation.7x2 - 3x = 8y2 - 2 - 5y
A. Hyperbola B. Circle C. Ellipse D. None of these
Mathematics
Evaluate the expression.
A. 1 B. 0 C. -1 D. -6
Mathematics
Find the unit tangent vector of the given curve.r(t) = (4 sin3 9t)i + (4 cos3 9t)j
A. T = (sin 9t)i - (cos 9t)j B. T = (108 sin 9t)i -(108 cos 9t)j C. T = (4 cos 9t)i - (4 sin 9t)j D. T = (4 sin 9t)i - (4 cos 9t)j
Mathematics
Perform the operation or operations when possible.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics