Complete the square to write the equation in the form 
+ 
= 1 or 
+ 
= 1.4x2 + 25y2 - 150y + 125 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
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Solve the problem.The resistance R produced by wiring resistors of R1 and R2 ohms in parallel can be calculated from the formula 
If R1 and R2 are measured to be 9 ohms and 7 ohms respectively and if these measurements are accurate to within 0.05 ohms, estimate the maximum possible error in computing R.
A. 0.015 B. 0.025 C. 0.030 D. 0.020
Identify the type of surface represented by the given equation. y2 + z2 = 4
A.
| Paraboloid |
B.
| Parabolic cylinder |
C.
| Cylinder |
D.
| Ellipsoid |
Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. Assume that x represents a positive real number.
? 
= x
What will be an ideal response?
Solve the system by the substitution method.x + y = 10y = x2 - 8x + 16
A. {(6, 4), (1, 9)} B. {(-6, 16), (-1, 11)} C. {(6, 16), (1, 9)} D. {(4, 6)}