Solving & Graphing Inequalities Quiz

1. Solve $5x - 3 \leq 12$.

• A. $x \leq 3$
• B. $x \geq 3$
• C. $x \leq 15$
• D. $x \leq 1.8$

2. Solve $-4x < 20$.

• A. $x < -5$
• B. $x > -5$
• C. $x < 5$
• D. $x > 5$

3. What type of circle should represent the boundary of $x > 6$ on a number line?

• A. Open circle at 6
• B. Closed circle at 6
• C. Open circle at -6
• D. No circle needed

4. Solve $-1 \leq 2x+1 < 9$.

• A. $-1 \leq x < 4$
• B. $0 \leq x < 5$
• C. $-1 \leq x < 5$
• D. $0 \leq x < 4$

5. A region is defined by $x \geq 0$, $y \geq 0$ and $x + y \leq 5$. Which point lies inside this region?

• A. $(3,3)$
• B. $(2,2)$
• C. $(-1,2)$
• D. $(6,0)$