Solving Linear Inequalities in One Variable - Algebra 2

 $-6a\ +7\ <\ 25$  

Solve for a

•  $a\ >\ -3$  

•  $-3\ <\ a$  

•  $a\ <\ -3$  

•  $-3\ >a$  

 $3\left(2a+4\right)\ \ge\ 10a\ -\ \left(a-6\right)$  

Solve for a

•  $a\ \le\ 2$  

•  $2\ge\ a$  

•  $a\ \ge\ 2$  

•  $2\le a$  

Which inequality sign has an open interval on graph?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

Which inequality sign has a closed interval on graph?

•  $<$  

•  $>$  

•  $\le$  

•  $\ge$  

Which parenthesis shows open interval?

• $\left(a,b\right)$

• $\lceil a,b\rceil$

• $\left|a,b\right|$

 $a\ >\ 4$  

Which is the correct 'unbounded' interval notation?

•  $\left(4,\infty\right)$  

•  $\lceil4,\ \infty\rceil$  

•  $\lfloor\infty,4\rfloor$  

In interval notation,  $\cup$  (union) replaces  $\vee$  (or) and  $\cap$  (intersection) replaces  $\wedge$  (and) as notation for writing two or more intervals.

• True

• False

 $-2\ \le\ x\ \le\ 5$  

Write this inequality notation as Interval notation.

• -2,5 with Closed interval

• -2,5 with open interval

• -2, 5 with half-open interval

• -2,  $\infty$  with unbounded interval

 $-2<x<5$  

Write this inequality notation in interval notation.

• -2, 5 with open interval

• -2, 5 with closed interval

• -2, 5 with half open interval

• -2,  $\infty$  with unbounded interval

 $-2<x\le5$  

Write this inequality notation in interval notation.

• -2, 5 with open interval

• -2, 5 with closed interval

• -2, 5 with half open interval

• -2,  $\infty$  with unbounded interval