University:
Bradley University
Course:
MTH 109 | College Algebra
Academic year:

2024
Views:

43

Pages:

6
Author:

Gudrunecg9m

Unit 1 Review √4 = 2 √150 = 5√6 √64 = 8 √288 = 12√2 √32 = 4√2 √36 = 6 Irrational: π, √7, √10, 0.23256743424662... Rational: 3.8, 2/5, √16, 34/99 2/3 = 0.6 423/454 = 0.93 142/1000 = 0.142 0.34 = 34/100 0.243 = 243/1000 0.454545... = 45/99 0.77777... = 77/99 24 ① 24 ② 18 ③ 12 ④ 6 GCF = 12 5: 5, 10, 15, 20, 25, 30, 35 16: 6, 12, 18, 24, 30, 36 LCM = 60 4x³y², 14x²y⁵ 4: 4, 8, 12, 16, 20, 24 14: 14, 28, 42 LCM = 28x³y⁵ 26x⁴y²z³, 52xy⁴ 26: 26, 52, 78 52: 52, 104 LCM = 52x⁴y⁴z³ 4x³y², 14x²y⁵ 1: 1, 2, 3, 4 14: 14, 28 GCF = 2x²y² 26xy², 52xy⁴ 2: 2, 4 26: 26, 52 GCF = 26xy² 24 ① 24 ② 18 ③ 12 ④ 9 GCF = 12 3π = 9π/3 0.44 > 0.444 -345 < -234 0.932 > -0.932 Unit 2 Review (3^{2}\div9) [9\div9] [1] (27\div(8+5-4)) [27\div(13-4)] [27\div(9)] [3] ((6-5)\cdot(25\div5)^{2}-2) [1\cdot(5)^{2}-2] [1\cdot25-2] [25-2] [23] (3+(8+7-5)(8-5)) [3+(15-5)(3)] [3+(10)(3)] [3+30] [33] ((28\div7+7)\cdot9-(8+5)) [(4+7)\cdot9-(13)] [11\cdot9-13] [99-13] [86] ((10\cdot2\cdot2)\div(4\cdot4-6-6)) [(20\cdot2)\div(16-6-6)] [40\div(10-6)] [40\div4] [10] ((9-6)(3-4\div4)\cdot1.5\div5+2) [3\cdot(3-1)\cdot3+2] [3\cdot2\div3+2] [6\div3+2] [2+2] [4] 6(5K-4) 30K-24 13(m-3) 13m-9 (2(4r+6)) [8r+12] 6(m²-4m-1) [6m^{2}-24m-6] (4m+5m) [9m] (4p+2p) [6p] (p-7+p-6) [2p-13] 4(x-5)+4x [4x-20+4x] [8x-20] (7n-2(10n-5)) [7n-20n+10] [-13n+10] (-4(b+10)-2) [-4b-40-2] [-4b-42] (-8(x+10)-10(4+6x)) [-8x-80-40-60x] [-68x-120] (-2(1+9n)-10(n+6)) [-2-18n-10n-60] [-28n-62] (-8(x-6)-(10x-6)) [-8x+48-10x+6] [-18x+54] Unit 3 and 4 (\frac{6}{8}=\frac{9}{v}) [6v=72] [v=12] (\frac{3}{6}=\frac{7}{b}) [6b=21] [b=3.5] (\frac{m}{6}=11\cdot6) [m=66] (\frac{3v}{3}=\frac{21}{3}) [v=7] (18=n+8) [-8] [10=n] (-3=-1+x) (+1 \quad +1) [-2=x] [5\cdot2=\frac{x}{5}\cdot5] [-10=x] (-1-4p=-49) (+1 \quad +1) [-4p=-48] [p=12] (9+6n=129) [-9 \quad -9] [6n=120] [n=20] (-4n+4n=6) [0n=0] [n=0] Infinitely many or All Real #'s (23=-1-7n-5n) [23=-1-12n] (+1 \quad +1) [24=-12n] [-12 \quad -12] [n=-2] (-6(-8p-4)=-264) [48p+24=-264] [-24 \quad -24] [48p=-288] [p=-6] (-7(7n+7)=-196) [-49n-49=-196] [+49 \quad +49] [-49n=-147] [n=3] (4(1+3x)-7(-5x+6)=9) [4+12x+35x-42=9] [47x-38=9] [+38 \quad +38] [47x=47] [x=1]