Unit Test 2B Review

When you graph an inequality, you used a closed circle when you use which symbols?

•  $\le\ or\ \ge$  

•  $<\ or\ >$  
  

When you graph an inequality, you used an open circle when you use which symbols?

•  $\le\ or\ \ge$  

•  $<\ or\ >$  
  

When graphing the solutions to "AND" inequalities, the shading looks like ___

• Shading that always connects the 2 dots

• Shading that always points away from each dot

• 2 shaded arrows pointing in same direction (both left)

• 2 shaded arrows pointing in same direction (both right)

When graphing the solutions to "OR" inequalities, the shading looks like ___

• Shading that connects the 2 dots

• Shading that points away and never crosses

• Shading that points toward each other and ALWAYS crosses

• Shading that points opposite but sometimes crosses.

Which symbol represents "LESS THAN"?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

Which symbol represents "GREATER THAN"?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

Which symbol represents "GREATER THAN OR EQUAL TO"?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

Which symbol represents "LESS THAN OR EQUAL TO"?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

When writing a solution in interval notation, which symbols do I use for:

> or <

• [ ]

• ( )

When writing a solution in interval notation, which symbols do I use for:

≤ or ≥

• [ ]

• ( )