Summative Test_Q1-Q4

Which of the following is an example of square of a binomial?

                                                                                           

•     (x – y)³     

•   (x – y)²    

• x² – y²  

•   x³ – y³

A factoring technique that has the pattern of x² – y² = (x + y) (x – y).

                                    

• common monomial factor        

• general trinomial

• difference of two squares   

•    grouping

Which of the following is the equivalent pattern of x³ – y³?

                                                    

• (x - y) (x² + xy + y²)      

• (x - y) (x² - xy + y²)

• (x + y) (x² + xy + y²)   

•    (x - y) (x² - xy - y²)

It is an expression that can be written in , where P and Q are polynomials and Q ≠ 0.

                                                  

• rational algebraic expressions  

• special products

• factoring polynomials

• fractions

This is a rational algebraic expression having the same denominator.

                                                                                                 

• dissimilar  

•   proper    

• similar

• improper

What is the purpose in finding the LCD of adding/subtracting dissimilar rational algebraic expressions?

                                                           

                                                       

•   to make dissimilar to similar ones.

• to add/subtract the expressions

• to find the numerator of the fraction

• none of these.

Simplify:

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Find the LCD of;                                                                                          

• 4

•   3  

•   12

• 24

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Which of the following is the rule in finding the product of rational algebraic expressions.

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