Rational Root Theorem -Pretest

1. What is the value of the polynomial   $x^2$  + x + 3 = 0
if x = 2? 

• A. 6

• B. 7

• C. 8

• D. 9

Tags

CCSS.6.EE.A.2C

What is the value of the polynomial 
           $x^2$  +  x  +  3 = 0 if x = - 2?

• A. 5 

• B. 6

• C. 7

• D. 8

Tags

CCSS.6.EE.A.2C

How many possible roots do the the equation

 $$x^4+3x^3$$  + x + 3 + 4 = 0 have ?

• A. 3

• B. 4

• C. 5

• D. 6

In the Rational Root Theorem, p and q should be ___________________.

• A. factorable

• B. divisible by itself

• C. relatively prime

• D.has a common factor

Tags

CCSS.HSA.APR.B.2

In the polynomial equation c,
 what is the value of
 $a_{n\ }$  ?

• A. -2

• B. 2

• C. 3

• D. 4

 $x^{4\ }-\ 5x^3\ \ +\ 8x^2\ +\ 15\ x\ -2\ =\ 0$  

1. What is the value of p in the equation above? ______________________

Tags

CCSS.HSA.APR.B.2

 $x^{4\ }-\ 5x^{3\ }\ +\ 8x^2\ \ +\ 15\ x\ -\ 2\ =\ 0$  

 2. What are the possible roots?____________________________________

 $x^{4\ }-\ 5x^3\ +\ 8\ x^{2\ }\ +\ 15\ x\ -\ 2\ =\ 0$  

3.What is the value of the leading coefficient?________________________

 $x^4\ -\ 5x^{3\ }+\ 8x^2\ +\ 15x\ -2\ =\ 0$  

4. What is the value of the constant? ________________________________

 $x^{4\ }\ -\ \ 5\ x\ ^3\ +\ 8x^2\ +\ 15x\ \ -2\ =\ 0$  

5. Is 1/ 2 one of the possible root of the equation? Why or why not?_________________________________________

Tags

CCSS.HSA.APR.B.2