Identify the axis of symmetry of the parabola.y = 2x2 + 20x + 53
A. x = 5
B. x = -5
C. x = 3
D. x = -3
Answer: B
Mathematics
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Find the distance between the pair of points.(5, -3) and (-5, -7)
A. 84
units
B. 84 units
C. 6 units
D. 2
units
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Solve the problem. Write ratios in lowest terms.Bob is 63 years old, and Susan is 81 years old. Find the ratio of his age to hers.
A. 
B. 
C. 
D. 
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Solve the system of equations.x2 + y2 = 113x + y = 15
A. (8, 7), (7, 8) B. (-8, -7), (-7, -8) C. (-8, 7), (-7, 8) D. (8, -7), (7, -8)
Mathematics
Write the first four terms of the sequence.an = 
A. a1 = 
, a2 = 
, a3 = 
, a4 = 
B. a1 = 1, a2 = 
, a3 = 
, a4 = 
C. a1 = 1, a2 = 
, a3 = 
, a4 = 
D. a1 = 5, a2 = 
, a3 = 
, a4 = 
Mathematics