Solve.x2 - 4x + 3 = 0
A. 2, 1
B. -3, -1
C. 
, - 
D. 3, 1
Answer: D
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Find the sum of the terms of the arithmetic sequence.1, 3, 5, 7, . . ., 45 n = 23
A. 1058 B. 1104 C. 552 D. 529
Solve.A square shaped pasture has a side of length 
meters. 
Express the perimeter of the pasture as a rational expression.
A. 
m
B. 
m
C. 
m
D. 
m
Solve the problem.Rachel's bus leaves at 7:15 PM and accelerates at the rate of 4 meters per second per second. Rachel, who can run 8 meters per second, arrives at the bus station 2 seconds after the bus has left. Find parametric equations that describe the motions of the bus and Rachel as a function of time, and simulate the motion of the bus and Rachel by simultaneously graphing these equations.
A. Bus: x1 = 4t2, y1 = 1;
Rachel: x2 = 
(t - 2), y2 = 3
B. Bus: x1 = 4t2, y1 = 1;
Rachel: x2 = 8(t - 2), y2 = 3
C. Bus: x1 = 2t2, y1 = 1;
Rachel: x2 = 8(t - 2), y2 = 3
D. Bus: x1 = 2t2, y1 = 1;
Rachel: x2 = 8(t + 2), y2 = 3
Factor.x2 - x - 72
A. (x + 1)(x - 72) B. x2 - x - 72 C. (x + 8)(x - 9) D. (x + 9)(x - 8)