Answer Key
[Pages:7]Name Alg1 Q2 Test 1 Review
November 16,2017 Due: Tuesday, November 27, 2017
Part I: Factor each problem using the GCF and check by distributing:
9
7
5
1) 90x - 72x + 18x
4
32
23
2) 90x y - 54x y + 180x y - 36xy
6
5
4
3) 105x - 75x ? 30x
52
43
24
5
4) 80x y - 64x y + 32x y - 16xy
11
10
9
8
5) 144b + 72b - 120b + 24b
5
33
5
6) 42a b + 126a b - 28ab
Answer Key:
1) 18x5(5x4 ? 4x2 + 1) 3) 15x4(7x2 ? 5x ? 2) 5) 24b8(6b3 + 12b2 ? 5b + 1)
2) 18xy(5x3 ? 3x2y + 5xy2 ? 2) 4) 16xy2(5x4 ? 4x3y + 2xy2 ? y3) 6) 14ab(3a4 + 9a2b2 ? 2b3)
Test: Wednesday, November 28, 2017
Name Alg1 Q2 Test 1 Review
November 16,2017 Due: Tuesday, November 27, 2017
Part II: Factor each quadratic completely:
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
Test: Wednesday, November 28, 2017
Name Alg1 Q2 Test 1 Review
10) x2 ? 6x ? 7
11) n2 -25
November 16,2017 Due: Tuesday, November 27, 2017
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
Test: Wednesday, November 28, 2017
Name Alg1 Q2 Test 1 Review
19) z2 + 9z ? 36
20) h2 + 12h + 36
November 16,2017 Due: Tuesday, November 27, 2017
21) r2 + 5r - 36
22) b2 ? 5b ? 36
23) x2 ? 36
24) m2 ? 20m + 36
25) y2 ? 4y ? 60
26) v2 + 17v ? 60
27) r2 + 7r ? 60
Test: Wednesday, November 28, 2017
Name Alg1 Q2 Test 1 Review
28) x2 + 61x + 60
29) g2 ? 23g + 60
November 16,2017 Due: Tuesday, November 27, 2017
30) b2 ? 121
31) a2 + 4a ? 96
32) y2 ? y ? 110
33) x2 + x - 90
37) 5x2 + 10x - 120
38) 3w2 -33w +90
39) 8t2 ? 32t ? 256
Test: Wednesday, November 28, 2017
Name Alg1 Q2 Test 1 Review
40) 6d2 + 60d + 150
41) 9x2 - 36
November 16,2017 Due: Tuesday, November 27, 2017
42) 10z2 + 50z ? 240
43) 7f2 + 84f + 252
44) 2x2 ? 2x - 180
45) 4s2 ? 144
46) 5g2 - 245
47) 9k2 ? 99k + 252
48) 25k2 ? 225
Test: Wednesday, November 28, 2017
Name Alg1 Q2 Test 1 Review
November 16,2017 Due: Tuesday, November 27, 2017
Answer Key
1) x2 + 5x + 4 (x+4)(x+1) 4) g2 + 5g ? 50 (g+10)(g-5) 7) s2 ? 9s + 20 (s-4)(s-5) 10) x2 ? 6x ? 7 (x-7)(x+1) 13) g2 ? 5g ? 84 (g-12)(g+7) 16) p2 ? 81 (p+9)(p-9) 19) z2 + 9z ? 36 (z+12)(z-3) 22) b2 ? 5b ? 36 (b-9)(b+4) 25) y2 ? 4y ? 60 (y-10)(y+6) 28) x2 + 61x + 60 (x+60)(x+1) 31) a2 + 4a ? 96 (a+12)(a-8) 34) t2 + 21t + 108 (t+9)(t+12) 37) 5x2 + 10x ? 120 5(x+6)(x-4) 40) 6d2 + 60d + 150 6(d+5)(d+5) 43) 7f2 + 84f + 252 7(f+6)(f+6) 46) 5g2 - 245 5(g+7)(g-7)
2) a2 ? 12a + 35 (a-7)(a-5) 5) t2 ? 2t - 48 (t+6)(t-8) 8) j2 + 7j + 12 (j+3)(j+4) 11) n2 -25 (n+5)(n-5) 14) z2 + 17z + 72 (z+9)(z+8) 17) w2 ? w ? 132 (w-12)(w+11) 20) h2 + 12h + 36 (h+6)(h+6) 23) x2 ? 36 (x+6)(x-6) 26) v2 + 17v ? 60(v+20)(v-3) 29) g2 ? 23g + 60 (g-20)(g-3) 32) y2 ? y ? 110 (y+10)(y-11) 35) w2 ? 64 (w-8)(w+8) 38) 3w2 -33w +90 3(w-5)(w-6) 41) 9x2 - 36 9(x+2)(x-2) 44) 2x2 ? 2x ? 180 2(x-10)(x+9) 47) 9k2 ? 99k + 252 9(k-7)(k-4)
3) f2 ? 3f ? 18 (f+3)(f-6) 6) x2 ? 100 (x+10)(x-10) 9) k2 + 2k ? 24 (k+6)(k-4) 12) c2 ? 13c + 40 (c-8)(c-5) 15) q2 ? 3q - 18 (q+3)(q-6) 18) x2 + 13x ? 48 (x+16)(x-3) 21) r2 + 5r - 36 (r+9)(r-4) 24) m2 ? 20m + 36 (m-18)(m-2) 27) r2 + 7r ? 60 (r+12)(r-5) 30) b2 ? 121 (b+11)(b-11) 33) x2 + x - 90 (x+10)(x-9) 36) x2 ? 14x + 49 (x-7)(x-7) 39) 8t2 ? 32t ? 256 8(t-8)(t+4)
42) 10z2 + 50z ? 240 10(z+8)(z-3) 45) 4s2 ? 144 4(s+6)(s-6) 48) 25k2 ? 225 25(k+3)(k-3)
Test: Wednesday, November 28, 2017
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