Solve the problem.Find an equation in general form for the line graphed on a graphing utility. 
A. 2x + y = -1
B. x + 2y = -2
C. y = -2x - 1
D. y = - 
x - 1
Answer: B
Mathematics
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the velocity vector.r(t) = (8t2 - 15)i + 
j
A. v = (16)i + 
j
B. v = (16t)i + 
j
C. v = (16t)i - 
j
D. v = 
i + (16t)j
Mathematics
Solve the quadratic equation using the quadratic formula.64x2 + 48x = - 9
A. 
B. 
C. 
D. 
Mathematics
Multiply or divide.(-1.7)(-11.7)
A. 13.4 B. -10 C. -13.4 D. 19.89
Mathematics
Use the formulas for the hydraulic press to find F l .F s = 52 lb, r l = 9 in. and r s = 1 in.
A. 468 lb B. 4,212 lb C. 5.78 lb D. 2,106.00 lb E. 4,192 lb
Mathematics