Evaluate the polynomial for the given values of the variables.Evaluate 2x2 - y2 + 2xy for x = -1 and y = -6.
A. -22
B. -50
C. 50
D. -46
Answer: A
Mathematics
You might also like to view...
Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and x = 5 about the y-axis.
A. 
? ln 12,600
B. 6? ln 
C. 3? ln 12,600
D. 3? ln 
Mathematics
Write the statement as an inequality.y is greater than or equal to 55
A. y ? 55 B. y ? 55 C. y < 55 D. y > 55
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
- 
A. 
B. 1
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest tenth, if necessary.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 10 hr; Ron: 12 hr B. Paul: 9.1 hr; Ron: 11.1 hr C. Paul: 8 hr; Ron: 10 hr D. Paul: 8.3 hr; Ron: 10.3 hr
Mathematics