Find the solution set for each inequality. Graph the solution set on a number line and write it in interval notation.|5k + 7| < -5
A. 
B. 
? 
C. 
D. ?
Answer: D
Mathematics
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Solve the equation by completing the square.6x2 + 3x - 3 = 0
A. 
, -1
B. 2, 0
C. 2, 1
D. 2, -1
Mathematics
Graph the system of inequalities.-x + 2y ? -63x + 2y > -18
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -4, y = 4; (-4, 4) B. inconsistent C. x = 4, y = -4; (4, -4) D. x = -4, y = -4; (-4, -4)
Mathematics
Simplify the expression.
A. 
B. 
C. 
D. 0
Mathematics