Use the Gauss-Jordan method to solve the system of equations.
A. x = -3, y = 5, z = 6
B. x = 3, y = 5, z = 8
C. x = 3, y = 8, z = 5
D. No solution
Answer: B
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Solve the problem.The average per-person annual consumption of hot dogs is shown in the table. Let C be the average per-person consumption of hot dogs at t years since 2002. C = 0.97t + 18.41 can be used to model the data.
What is the t-intercept and what does it mean in this situation?
A. (0, 18.41); In 2002 the average consumption was 18.41 hot dogs per-person. B. (-18.98,0); In 2002 the average consumption was 18.98 hot dogs per-person. C. (-18.98,0); In 1983 the average consumption was 0 hot dogs per-person. D. (0.05, 0); Each year the average consumption is increased by 0.05 hot dogs per person.
Determine the correct order of these fractions in descending order: 
,
,
A. 
,
,
B. 
,
,
C. 
,
,
D. 
,
,
List the intercepts for the graph of the equation.y = x3 - 64
A. (0, -64), (4, 0) B. (-64, 0), (0, 4) C. (0, -4), (-4, 0) D. (0, -4), (0, 4)
Use the quadratic formula to solve the quadratic equation.9b2 + 21b - 6 = -16
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, 