Solve the equation.
+ 7 = 0
A. ?
B. 
C. {188}
D. 
Answer: A
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Solve.5x2 - 44x - 9 = 0
A. x = 
, x = - 
B. x = -5, x = 9
C. x = - 
, x = 9
D. x = - 
, x = 5
Find an equation of variation for the given situation.p varies directly as q, and p = 1 when q = 
.
A. p = 
q
B. p = 15q
C. p = 14q
D. p = 16q
Graph the circle.x2 + y2 - 8x - 10y + 37 = 0
A. 
B. 
C. 
D. 
Solve the problem.Let A = 
and b = 
.Determine if the equation Ax = b is consistent for all possible b1, b2, b3. If the equation is not consistent for all possible b1, b2, b3, give a description of the set of all b for which the equation is consistent (i.e., a condition which must be satisfied by 
A. Equation is consistent for all possible b1, b2, b3. B. Equation is consistent for all b1, b2, b3 satisfying -3b1 + b3 = 0. C. Equation is consistent for all b1, b2, b3 satisfying 2b1 + b2 = 0. D. Equation is consistent for all b1, b2, b3 satisfying 7b1 + 5b2 + b3 = 0.