Graph the ellipse. Label the intercepts.
+ 
= 1
A. (-12, 0), (12, 0), (0, -12), (0, 12)
B. (-12, 0), (12, 0), (0, -6), (0, 6)
C. (-6, 0), (6, 0), (0, -6), (0, 6)
D. (-6, 0), (6, 0), (0, -12), (0, 12)
Answer: D
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Use front end rounding to estimate the answer. Then use your estimate to select the correct exact answer.366.38 - 365.33
A. 10.5 B. 105 C. 1.05
The following table shows the gross national product G, in trillions of dollars, t years after 2005. Based on the regression equation, what increase would you expect to see in the gross national product over a 5-year period? t 0 1 3 5 G 12.76 13.58 14.25 14.64? ?
A. 2.48 trillion dollars B. 1.80 trillion dollars C. 1.88 trillion dollars D. 2.13 trillion dollars
Use a proportion to solve the application.According to a recent study, 1.67 million households in one American city have pets. Out of every 100 people, 42 have more than one pet. How many households own more than one pet?
A. 706,871 people B. 70,140 people C. 655,528 people D. 701,400 people
Use the echelon method to solve the system of two equations in two unknowns.-7x + 5y = 14 3x + 3y = -6
A. (-2, 1) B. (-3, 1) C. (-2, 0) D. No solution