Matching Inequalities and Solutions

2.10.4 Matching Inequalities and Solutions

2.10.4 • Matching Inequalities and Solutions

Activity

Match each inequality to a graph that represents its solutions. Be prepared to show your reasoning.

  • 6x≤3x6x≤3x
  • 14x>−1214x>−12
  • 5x+4≥7x5x+4≥7x
  • 8x−2<−4(x−1)8x−2<−4(x−1)
  • 4x−13>−14x−13>−1
  • 125−x5≤x125−x5≤x

Graph A

A number line extends from negative 10 to 10. At negative one half an open circle is graphed with the number line extending to the right shaded.

Graph B

A number line extends from negative 10 to 10. At two a closed circle is graphed with the number line extending to the left shaded.

Graph C

A number line extends from negative 10 to 10. At two a closed circle is graphed with the number line extending to the right shaded.

Graph D

A number line extends from negative 10 to 10. At one half an open circle is graphed with the number line extending to the left shaded.

Graph E

A number line extends from negative 10 to 10. At negative two an open circle is graphed with the number line extending to the right shaded.

Graph F

A number line extends from negative 10 to 10. At zero a closed circle is graphed with the number line extending to the left shaded.

Use this inequality for questions 1 – 2:

6x≤3x6x≤3x
1.

Match the graph to the equation.

Graph F.

2.

Explain or show your reasoning.

Compare your answer:

x≤0x≤0

Use this inequality for questions 3 and 4:

14x>−1214x>−12
3.

Match the graph to the equation.

Graph E.

4.

Explain or show your reasoning.

Compare your answer:

x>−2x>−2

Use this inequality for questions 5 – 6:

5x+4≥7x5x+4≥7x
5.

Match the graph to the equation.

Graph B.

6.

Explain or show your reasoning.

Compare your answer:

x≤2x≤2

Use this inequality for questions 7 and 8:

8x−2<−4(x−1)8x−2<−4(x−1)
7.

Match the graph to the equation.

Graph D.

8.

Explain or show your reasoning.

Compare your answer:

x<12x<12

Use this inequality for questions 9 – 10:

4x−13>−14x−13>−1
9.

Match the graph to the equation.

Graph A.

10.

Explain or show your reasoning.

Compare your answer:

x>−12x>−12

Use this inequality for questions 11 and 12:

125−x5≤x125−x5≤x
11.

Match the graph to the equation.

Graph C.

12.

Explain or show your reasoning.

Compare your answer:

x≥2x≥2