Name: 
 

Math 9 LG 4/5 Practice Test #5



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

When the following model is simplified, which expression is produced?

mc001-1.jpg
a.
mc001-2.jpg
c.
mc001-4.jpg
b.
mc001-3.jpg
d.
mc001-5.jpg
 

 2. 

Which of the following expressions are monomials with degree 2?
i)      mc002-1.jpg
ii)      mc002-2.jpg
iii)      mc002-3.jpg
iv)      mc002-4.jpg
a.
ii and iii
b.
ii and iv
c.
iii and iv
d.
i and ii
 

 3. 

Name the coefficients of the variable in the polynomial mc003-1.jpg.
a.
mc003-2.jpg4
b.
mc003-3.jpg4, 10
c.
mc003-4.jpg4, mc003-5.jpg12
d.
4, 10
 

 4. 

Simplify: mc004-1.jpg
a.
mc004-2.jpg
b.
mc004-3.jpg
c.
mc004-4.jpg
d.
mc004-5.jpg
 

 5. 

Add: mc005-1.jpg
a.
mc005-2.jpg
b.
mc005-3.jpg
c.
mc005-4.jpg
d.
mc005-5.jpg
 

 6. 

Add: mc006-1.jpg
a.
mc006-2.jpg
c.
mc006-4.jpg
b.
mc006-3.jpg
d.
mc006-5.jpg
 

 7. 

Subtract: mc007-1.jpg
a.
mc007-2.jpg
b.
mc007-3.jpg
c.
mc007-4.jpg
d.
0
 

 8. 

Subtract: mc008-1.jpg
a.
mc008-2.jpg
c.
mc008-4.jpg
b.
mc008-3.jpg
d.
mc008-5.jpg
 

Short Answer
 

 9. 

Which of the following expressions are polynomials?
i)      sa009-1.jpg
ii)      sa009-2.jpg
iii)      sa009-3.jpg
iv)      sa009-4.jpg
 

 10. 

Group like terms.
sa010-1.jpg
 

 11. 

Add: sa011-1.jpg
 

 12. 

Subtract: sa012-1.jpg
 

 13. 

The polynomial sa013-1.jpg represents the cost, in dollars, of shipping a parcel with mass w kg by ground. The polynomial sa013-2.jpg represents the cost of shipping a parcel with mass w kg by air.
a)      Write a polynomial for the difference in the costs of the two methods of shipping.
b)      How much more does it cost to ship a 15-kg parcel by air?
 

Problem
 

 14. 

Write a polynomial with the given variable, degree, coefficient, and number of terms.
a)      Variable: p; degree: 2; coefficients: 2, -4; number of terms: 2
b)      Variable: c; degree: 1; coefficient: 6; number of terms: 1
c)      Variable: t; degree 2, coefficients: -3, 7; number of terms: 3; constant: 5
 

 15. 

Identify the equivalent polynomials. Explain how you know.
i)      pr015-1.jpg
ii)      pr015-2.jpg
iii)      pr015-3.jpg
 

 16. 

What polynomial must be added to pr016-1.jpg to obtain a sum of 0?
Justify your answer.
 

 17. 

A student subtracted like this:
pr017-1.jpg

a) Explain why the solution is incorrect.
b) What is the correct answer? Show your work.
 



 
Check Your Work     Start Over