1. Which of these inequalities has no solution?
A. |2x+9|≥14
B. |−3x−5|≤8
C. |x+7|≥−5
D. |−4x+1|≤−9
2. The solution set of |2x−2|>2 is the set of all x-values where the graph of y=|2x−2| does what?
A. Lies above the graph of y=2.
B. Lies below the graph of y=2.
C. Intersects the graph of y=2.
D. Does not intersect the graph of y=2.
3. Which inequality is graphed here?
Graph
A. |−2x−4|=6
B. |x−2|>4
C. |2x+4|<6
D. |x+2|<6
4. If the solution set is x=2 or x=4, what form must the given equation or inequality have?
A. |ax+b|≤c, where c is greater than zero.
B. |ax+b|=c, where c is greater than zero.
C. |ax+b|=c, where c is less than zero.
D. |−ax+b|≤c, where c is less than zero.
5. How many solutions can the equation |ax+b|=c have?
A. only 1 solution
B. 1 or 2 solutions
C. 0, 1, or 2 solutions
D. 0, 1, or an infinite number of solutions