1. **State the problem:** We need to graph the system of inequalities:
$$y < 2x + 3$$
$$y \leq 2x$$
and determine which points among A(0,3), B(3,1), C(1,2), and D(1,3) satisfy both inequalities.
2. **Graphing the inequalities:**
- The line $y = 2x + 3$ is a boundary for the first inequality. Since the inequality is strict ($<$), the line is dashed, and the region below it is shaded.
- The line $y = 2x$ is a boundary for the second inequality. Since the inequality is inclusive ($\leq$), the line is solid, and the region below or on it is shaded.
- The solution set is the intersection of these two shaded regions.
3. **Check each point:**
- Point A(0,3):
- Check $y < 2x + 3$: $3 < 2(0) + 3 \Rightarrow 3 < 3$ (False, since 3 is not less than 3)
- Check $y \leq 2x$: $3 \leq 2(0) \Rightarrow 3 \leq 0$ (False)
- So, A is not a solution.
- Point B(3,1):
- Check $y < 2x + 3$: $1 < 2(3) + 3 \Rightarrow 1 < 9$ (True)
- Check $y \leq 2x$: $1 \leq 2(3) \Rightarrow 1 \leq 6$ (True)
- So, B is a solution.
- Point C(1,2):
- Check $y < 2x + 3$: $2 < 2(1) + 3 \Rightarrow 2 < 5$ (True)
- Check $y \leq 2x$: $2 \leq 2(1) \Rightarrow 2 \leq 2$ (True)
- So, C is a solution.
- Point D(1,3):
- Check $y < 2x + 3$: $3 < 2(1) + 3 \Rightarrow 3 < 5$ (True)
- Check $y \leq 2x$: $3 \leq 2(1) \Rightarrow 3 \leq 2$ (False)
- So, D is not a solution.
**Final answer:** Points B(3,1) and C(1,2) satisfy the system of inequalities.
Inequality System 37B966
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