Decide whether the statement is true or false.
is irrational.
A. True
B. False
Answer: A
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Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.6x2 + 12xy + 6y2 = 18
A. 12u2 - 6v2 - 18 = 0; Hyperbola B. 12u2 - 18 = 0; Parallel lines C. 12u2 + 6v2 - 18 = 0; Ellipse D. 12u2 + 6v - 18 = 0; Parabola
Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(8, 3); Find cot ?.
A. 
B. 
C. 
D. 
Add or subtract. Simplify your answer to lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.
A. Correct. Estimate: 300,000 B. Incorrect. Estimate: 600,000 C. Incorrect. Estimate: 400,000 D. Incorrect. Estimate: 500,000