Find the equation of the transverse axis of the hyperbola.25y2 - 49x2 - 1225 = 0
A. y = 
x
B. x = 0 (y-axis)
C. y = 0 (x-axis)
D. y = 
x
Answer: B
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Find d2y/dx2 without eliminating the parameter.x = ln(9t), y = e9t, t > 0
A. 9e9t + 81te9t B. -81t2e9t C. 9te9t + 81t2e9t D. te9t + 9t2e9t
Determine the order of the matrix.[9]
A. 1 B. 0 × 0 C. 0 D. 1 × 1
Multiply. Write any improper fraction answer as a mixed number.
? 
A. 
B. 
C. 
D. 
Solve the problem.The final grade for an algebra course is determined by grades on the midterm and final exam. The grades for four students and two possible grading systems are modeled by the following matrices. src="https://sciemce.com/media/4/ppg__tttt0519191117__f1q44g6.jpg" style="vertical-align: -15.0px;" />Find the final course score for Student 3 for both grading System 1 and System 2.
A. System 1: 77.2; System 2: 76
B. System 1: 87.3; System 2: 85.5
C. System 1: 69.3; System 2: 101.7
D. System 1: 44.2; System 2: 53
