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Algebra Revision Tests 4 weeks of lesson starters M 3x + 6 = 7 – 2x 3(2x + 9) = 15 x2 – 3x – 28 x2 – 3x – 28=0 T W Th F 5x + 10 = 7 – 3x 2x – 5 = 3x +10 10 – 4x = 15 + 8x 7x + 5 = 10 – 2x 5(3x + 10) = 20 4(3x -2) = 40 4(3x – 7) = 12 7(3x+2)=21 x2 + x – 20 x2 – 7x + 6 x2 -10x-24 x2-81 x2 + x – 20=0 x2 – 7x + 6=0 x2 -10x-24=0 x2-81=0 M T W 3(2x + 9) = 2 (3x +1) 5(3x + 10) = 3( 2x-5) 4(3x -2) = 4 (2x-1) (2x-5)(x+7) (x-3)(x-6) (3x+7)2 (5x3)3 6x2.5x4 x 4 81 x3=27 2x3=54 x2 – 3x =28 x2 – 5x =14 x2 – x =12 3x4=48 x2 +6x =27 x4=256 x2 +10x = 25 =3 5(2x+1)>4 (x2 – 3x – 28)/(x+4) =2 3(5-2x)>9 (x2 + x – 20)/(x+5) =5 5(4-3x)<30 (x2 – 7x + 6)/(x-1) 2x-5<3x+10 (x2 -10x-24)/(x-12) Th 4(3x – 7) = 2 (5-2x) 5x(2x-7) F 7(3x+2)=2(7-2x) (x+6)(x-6) (3x3)4 M 2x2 – 6x – 56=0 2−5𝑥 3 T Factorize 4ab2 + 2a2b 2xy2 + 2x2y 3x2 +3 x – 60=0 W 2xy2 + 2x2y3 5x2 – 35x + 30=0 2−3𝑥 4 3𝑥+1 4 2−5𝑥 3 3𝑥+5 2 Th 3a2b2 + 2ba2 2x2 -20x-48=0 F 4c2d+2cd2+5d2c2 M (x2 – 3x – 28)/(x+4)=5 5x=125 T (x2+3x+2)/(x2+5x+6)=2 2x=16 W (x2+x-2)/(x2-4x+3)=5 (-3)x=27 Th (x2+5x+6)/(x2-4)=4 F (x2-16)/(x2-3x-4)=2 3x2-300=0 10x=1000 4x=256 Simplify 3ab2 + 2a2b – ab2 2xy2 + 2x2y – xy2 2xy2 + 2x2y – 9xy2 3ab2 + 2ba2 –b2a 4c2d+2cd2-8dc2+5d2c2 = 8𝑥 5 2𝑥 3 9𝑥 5 12𝑥 3 2𝑥+3 4 = 10 𝑥 𝑥 + 2 3 𝑥 𝑥 − 3 5 4𝑥 2𝑥 + 5 3 𝑥+1 𝑥+3 + 2 4 𝑥+3 𝑥+5 + 2 4 2 − 5𝑥 >3 3 y=2x-1 y=x x=2y-5 x=y+3 y=x+6 y=3x y=x+2 y=-3x x+y=6 3x=2y (x2-81)/(x+9) 15𝑥 2 𝑦 20𝑥𝑦 3 20𝑥 2 𝑦 15𝑥𝑦 2 4𝑝𝑞 2 𝑟 6𝑝2 𝑞𝑟 5𝑎2 𝑏 3 10𝑎3 𝑏 (2𝑥 2 )3 12𝑥𝑦 3