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LinearEquations
Beginning & Intermediate Algedra Review
0.4(5.1) The Greatest Common Factor By Grouping
Exercises 14
Find the greatest common factor the numbers .
15) 21,24,30
A) 21
B) 1
C) 6
D) 3
Exercises 716
Find the greatest common factor the terms.
16) 15m^{5}, 135m^{9}
A) 15m^{4}
B)2025m^{4}
C)135m^{5}
D)15m^{5}
Exercises 2334
Complete the factoring .
17) 16x^{7}y^{9} = 2x^{5}y^{7}( )
A) 8xy^{2}
B) 32x^{3}y^{3}
C) 8x^{2}y^{2}
D) 32x^{2}y^{2}
Exercises 3558
Factor out the greatest common factor.
18) 64x^{9}y^{9} + 80x^{6}y^{6} + 64x^{4}y^{3}
A) No common factor (except 1)
B)16(4x^{9}y^{9} + 5x^{6}y^{6} + 4x^{4}y^{3})
C) 16x^{4}y^{3}(4x^{5}y6 + 5x^{2}y^{3} + 4)
D)16x^{4}(4x^{5}y^{9} + 5x^{2}y6 + 4y^{3})
Exercises 6786
Factor by grouping .
19) 10a^{3}  15a^{2}b  4ab^{2} + 6b^{3}
A) (5a^{2}  2b^{2})(2a  3b)
B) (5a^{2} + 2b^{2})(2a + 3b)
C) (5a^{2}  2b)(2a 3b)
D) (10a^{2} 2b^{2})(a  3b)
0.5(5.2) Factoring Trinomials
Exercises 1122
Complete the factoring .
20) x^{2}  3x  40 = (x + 5)( )
A) x8
B)x8
C)8x
D) x+8
Exercises 2340
Factor completely .
21) x^{2} + 4x  21
A) (x7)(x+1)
B) (x+7)(x3)
C) Prime
D) (x7)(x+3)
Exercises 4360
Factor completely .
22) x^{2} + 3xy  28y^{2}
A)(x7y)(x+4y)
B) (xy)(x+4y)
C) (x7y)(x+y)
D) (x+7y)(x4y)
0.6(5.3) More on Factoring Trinomials
Exercises 16
Factor by grouping .
23) 15x^{2}  25x + 18x  30
A) (5x+6)(3x5)
B) (5x6)(3x+5)
C) (15x6)(x+5)
D) (15x+6)(x5)
Exercises 2158
Factor as completely as possible. If unfactorable, indicate that the polynomial
is prime .
24) 15x^{2} + 22x + 8
A) (3x2)(5x4)
B)Prime
C) (3x+2)(5x+4)
D) (15x+2)(x+4)
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