Solve the equation by completing the square.x2 + x + 9 = 0
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = -13t + 9, s(0) = 15
A. s = -13t2 + 9t + 15
B. s = -
t2 + 9t + 15
C. s= 
t2 + 9t - 15
D. s = -
t2 + 9t - 15
Find the expression.u = -4i + 1j and v = 8i + 1j; Find 
.
A. 12
B. 
C. 2
D. 
Use your estimation skills and the percent shortcuts to select the most reasonable answer. Do not write an equation and solve it.500% of 6.5 feet is how many feet?
A. 3 feet B. 32.5 feet C. -26 feet D. 39 feet
Find the intercepts of the function f(x).f(x) = 7x - x3
A. x-intercepts: 0, -7; y-intercept: 0
B. x-intercepts: 0, -7; y-intercept: 7
C. x-intercepts: 0, 
, -
; y-intercept: 7
D. x-intercepts: 0, 
, -
; y-intercept: 0