

1. 
Add (y + 2x + 5) + (3y  3x +1). 


A. 
2y + x + 6 
B. 
3y  x + 6 


C. 
4y^{2}  x^{2} + 6 
D. 
4y  x + 6 


Hint 


2. 
Determine the sum. (y  6x + 5) + ( 6y  5x + 3) + ( 5y + 2x  7) 


A. 
12y  9x + 1 
B. 
12y + 9x + 1 


C. 
12y  9x  1 
D. 
12y + 9x  1 


Hint 


3. 
Find (5x + 6)  (2x  7). 


A. 
7x  1 
B. 
7x  13 


C. 
3x + 13 
D. 
3x + 1 


Hint 


4. 
Classify the expression 


A. 
binomial 
B. 
trinomial 


C. 
monomial 
D. 
not a polynomial 


Hint 


5. 
Classify the expression 


A. 
monomial 
B. 
binomial 


C. 
not a polynomial 
D. 
trinomial 


Hint 


6. 
Find the difference (14z + 3x + 11) – (10z + 5). 


A. 
4z + 3x + 6 
B. 
4z + 3x + 16 


C. 
24z + 3x + 6 
D. 
24z + 3x + 16 


Hint 


7. 
Find –3x(x^{2} + 2x + 1). 


A. 
3x^{3}  6x^{2} + 1 
B. 
3x^{3} + 6x^{2} + 3x 


C. 
3x^{3} + 2x + 1 
D. 
3x^{3}  6x^{2}  3x 


Hint 


8. 
A rectangle is 50 centimeters longer than twice its width. If the perimeter of the rectangle is 160 centimeters, what are the dimensions of the rectangle? 


A. 
70 cm by 10 cm 
B. 
40 cm by 40 cm 


C. 
60 cm by 20 cm 
D. 
50 cm by 30 cm 


Hint 


9. 
Determine whether the equation y = is linear or nonlinear. Explain. 


A. 
linear, the graph is a straight line 


B. 
nonlinear, the graph is a cubic function 


C. 
nonlinear, the graph is an inverse variation function 


D. 
nonlinear, the graph is an exponential function 


Hint 


10. 
Determine whether the graph represents a linear or nonlinear function. Explain. 





A. 
linear, the graph is a straight line 


B. 
nonlinear, the graph is a cubic function 


C. 
nonlinear, the graph is an inverse variation function 


D. 
nonlinear, the graph is an exponential function 


Hint 


11. 
Graph y = x^{2} + 3. 


A. 



B. 



C. 



D. 



Hint 


12. 
Graph y = 5x^{2}  2. 


A. 



B. 



C. 



D. 



Hint 


