Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
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Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.24xy - 7y2 + 36 = 0
A. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±3)
B. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
C. ? = 36.9°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ± 
)
D. ? = 53.1°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
Solve by the method of your choice. Identify whether the system has no solution or infinitely many solutions, using set notation to express the solution set.4x + y = 11y = 12 - 4x
A. {(x, y) 
}
B. ?
C. {(5, -9)}
D. {(0, 11)}
The points in the table lie on a line. Find the slope-intercept form of the line.
A. y = 7x + 19 B. y = 5x + 12 C. y = 5x + 15 D. y = -5x + 12
Match the inequality with a graph.2x - 7y > -1
A. 
B. 
C. 
D. 