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Operating with Polynomials

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

 1. 
What is the product of (x+3)(x+4)?
a.
x^2 +12
c.
x^2+7x-12
b.
2x+7x+12
d.
x^2+7x+12
 

 2. 
What is the product of (6a+1)(2a-9)?
a.
12a^2-9
c.
12a^2-52a-8
b.
12a^2-52a-9
d.
8a^2-54a-9
 

 3. 
What is the quotient when you divide x^2-3x-10 by x+2?
(HINT:  Multiply each of the answers by x+2 until you find the one that gives you x^2-3x-10)
a.
x-5
c.
x+5
b.
x-3
d.
x^2+3
 

 4. 
What is the value of this expression?
(x+6)(2x^2+3x+5)
a.
x^2+67x+30
c.
2x^3+67x+30
b.
x^3+15x^2+23x+30
d.
2x^3+15x^2+23x+30
 

 5. 
What is the quotient when you divide a^2-4a+3 by a-1
(HINT:  multiply each of the answers by a-1 until you find the one that gives you a^2-4a+3)
a.
a-1
c.
a+3
b.
a-3
d.
3a^2+1
 

 6. 
What is the value of this expression?
(2x^2+13x+18) divided by (x+2)

(HINT:  multiply each of the answers by x+2 until you find the one that gives you 2x^2+13x+18)
a.
x-9
c.
2x-9
b.
x+9
d.
2x+9
 

 7. 
What is the product of (3x+5)(3x-5)?
a.
6x-10
c.
9x^2-25
b.
6x^2-10
d.
9x^2-30x-25
 

 8. 
What is the quotient when you divide x^2+2x-8 by x-2?
(HINT:  multiply each of the answers by x-2 until you find the one that gives you x^2+2x-8)
a.
x-4
c.
x+4
b.
x+2
d.
4x-2
 



 
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