Alg1 Rational Expressions Packet 1-Step Factoring
Name Alg1
March 26, 2018 Rational Expressions Packet
1-Step Factoring: Factor each quadratic. If the quadratic is unable to be factored, your
answer should be PRIME. Examples:
(last sign +) x2 ? 10x + 24 Same sign, both Factors of 24, sum of 10 (x ? 6)(x ? 4)
(last sign - ) x2 + x ? 12
Different Signs
Factors of 12, diff. of 1
(x + 4)(x ? 3)
(D.O.T.S) x2 ? 49 Diff of Two Sq.
(x + 7)(x ? 7)
1) x2 + 5x + 4
2) a2 ? 12a + 35
3) f2 ? 3f ? 18
4) g2 + 5g ? 50
5) t2 ? 2t + 48
6) x2 ? 100
7) s2 ? 9s + 20
8) j2 + 7j + 12
9) k2 + 2k ? 24
10) x2 ? 6x ? 7
11) n2 -25
12) c2 ? 13c + 40
13) g2 ? 5g ? 84
14) z2 + 17z + 72
15) q2 ? 3q + 18
16) p2 ? 81
17) w2 ? w ? 132
18) x2 + 13x ? 48 1
Name Alg1 19) z2 + 9z ? 36
22) b2 ? 5b ? 36
25) y2 ? 4y ? 60
28) x2 + 61x + 60
31) a2 + 4a ? 96
34) t2 + 21t + 108
March 26, 2018 Rational Expressions Packet
20) h2 + 12h + 36
21) r2 + 5r ? 36
23) x2 ? 36
24) m2 ? 20m + 36
26) v2 + 17v ? 60
27) r2 + 7r ? 60
29) g2 ? 23g + 60
30) b2 ? 121
32) y2 ? y ? 110
33) x2 + 33x + 90
35) w2 ? 64
36) x2 ? 14x + 49
2
Name Alg1
March 26, 2018 Rational Expressions Packet
Rational Expressions
Multiplication and Division
Factor each numerator and denominator. Reduce where possible. Keep what's left.
1) x3 + 4x2 ? 77x 32x2 ? 50
32x - 40 x3 ? 7x2
2)
3x2 ? 48 . ?
x2 + 10x + 24
9x2 + 9x - 180 x2 + 11x + 30
3
Name
March 26, 2018
Alg1
Rational Expressions Packet
Multiplication and Division:
DO ALL PROBLEMS WITH FACTORING DONE (STEP BY STEP) ON THE SIDE!
1) 6x3 - 48x2 . x2 + 18x +77.
x2 - x - 56
3x2 - 363
2) x2 + 15x + 54 ? x2 - 6x - 72 .
x2 ? 81
x2 - 21x + 108
3) 10x3 - 360x . x2 + 7x + 6.
4x2 + 24x
5x2 - 25x - 30
4) x2 - 13x + 42 ? x2 - 2x - 24 .
x2 ? 4x - 21
3x + 12
4
Name
Alg1 5) x2 + 4x - 96 .
x2 - 144
x2 - 4x - 96 x2 + 16x + 64
March 26, 2018
Rational Expressions Packet
6) x2 - 16x + 55 ?
x2 - 25
6x4 ? 66x3
8x3 + 40x2
ANSWER KEY:
1) 2x2 2) 1 3) x + 6 4) 3
5) x - 8
(x - 11)
2
(x+3)
x + 8
6) 4 3x
5
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