Reviewer- 2nd Quarter

• positive

• negative

• undefined

• zero

•  rational algebraic expression       

• irrational algebraic expression       

• rational algebraic equation

• irrational algebraic equation

3. 3. In adding /subtracting dissimilar rational algebraic expressions, we must find their

   ______ and change them into similar rational algebraic expressions before we perform

   the required operation.

• LCM

• LCD

• GCF

• LED

4. 4.The Rectangular Coordinate System was discovered by _______.

•  Socrates          

• Plato       

• René Descartes   

• Aristotle

5.The following ordered pairs do not represent the abscissa and ordinate of the origin except ____.

• (0,5)    

• (0, -5)    

• (1 ,1)   

• (0, 0) 

6.Which of the following is an example of linear equation in two variables?

• slope-intercept form

• standard form

• slope-interept form

• general form

• -3

• 3

10.Kim takes 2 hours to make a Damath board with chips while Kath does it in 4 hours. How

               many hours and minutes will it take them to do the job together?

• 2 hours and 30 minutes

• 1 hour and 15 minutes    

• 1 hour and 30 minutes

• 1 hour and 20 minutes