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Factoring
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Factoring
 
   
 
What is the factored form of the following expressions?
 

 1. 

w2 + 18w + 77
a.
(w – 7)(w + 11)
c.
(w + 7)(w + 11)
b.
(w – 7)(w – 11)
d.
(w + 1)(w + 77)
 

 2. 

d2 + 16d + 63
a.
(d – 7)(d – 9)
c.
(d + 7)(d + 9)
b.
(d + 7)(d – 9)
d.
(d – 7)(d + 9)
 

 3. 

d2 – 19d + 90
a.
(d + 10)(d + 9)
c.
(d – 10)(d + 9)
b.
(d – 10)(d – 9)
d.
(d + 10)(d – 9)
 

 4. 

x2x – 42
a.
(x – 7)(x + 6)
c.
(x + 7)(x – 6)
b.
(x + 7)(x + 6)
d.
(x – 7)(x – 6)
 

 5. 

d2 + 2d – 48
a.
(d + 6)(d + 8)
c.
(d – 6)(d + 8)
b.
(d + 6)(d – 8)
d.
(d – 6)(d – 8)
 

 6. 

6x2 + 5x + 1
a.
(3x – 1)(2x – 1)
c.
(3x – 1)(2x + 1)
b.
(3x + 1)(2x – 1)
d.
(3x + 1)(2x + 1)
 

 7. 

8x2 + 18x + 9
a.
(2x + 3)(4x + 3)
c.
(2x – 3)(4x + 3)
b.
(2x – 3)(4x – 3)
d.
(2x + 3)(4x – 3)
 

 8. 

6g2 + 5g – 6
a.
(3g – 2)(2g – 3)
c.
(3g – 2)(2g + 3)
b.
(3g + 2)(2g – 3)
d.
(3g + 2)(2g + 3)
 

 9. 

The area of a rectangular barnyard is given by the trinomial 4x2 + 8x – 21. What are the possible dimensions of the barnyard? Use factoring.
a.
– 2x + 7 and –2x + 3
c.
2x – 2 and 2x – 3
b.
2x – 7 and 2x + 3
d.
2x + 7 and 2x – 3
 

 10. 

s4 – 16
a.
mc010-1.jpg
c.
mc010-3.jpg
b.
mc010-2.jpg
d.
mc010-4.jpg
 


 
 
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