1. 2. 3. 4. 5. 6. Algebra II Twice the cube of a number The square of a number decreased by ten The sum of three times a number and seven Seven less than one third a number Three times the sum of a number and seven If n represents an odd integer, what Is the next consecutive odd integer 1 Literal Equations Algebra II Algebra II 3 Algebra II 4 Algebra II 5 1. 3x – 2y = 10 3. 10 = 3x – ¾ y -2y = -3x + 10 -3x + 10 = - ¾y y = 3/2x – 5 4x – 40/3 = y 2. ½x + 3y = 5 4. 4x + 8y = 17 3y = - ½x + 5 y = - 1/6x + 5/3 Algebra II 8y = -4x + 17 y = -1/2x + 17/8 6 5. 6x – 5y = 13 y = 6/5x – 13/5 6. 2/3x + 3/2y = 10 y = -4/9x + 20/3 Algebra II 7. 4/3x – 2y = 12 y = 2/3 x – 6 8. 3x – 8y = 4 y = 3/8x – ½ 7 Ax + By = C is solved for C in terms of A, x, B, and y ½bh = A Is solved for A in terms of b and h. Algebra II 8 1. What is P = 2L + 2w solved for? In terms of? Solved for P in terms of L and W 2. What is C = 2πr solved for? In terms of? Solved for C in terms of r 3. What are you finding in A = (b)(h)? In terms of? Finding A in terms of b and h 4. What are you finding in b = A/h ? In terms of? Finding b in terms A and h Algebra II 9 1. If A = c, 3t find t in terms of A and c. A=c 3t A = (3t)(c) A = 3tc A=t 3c Algebra II 2. If 3L + 2W = 6, find w in terms of L. 3L + 2W = 6 2w = -3L + 6 w = -3/2 L + 3 10 3. If c = 4a2, find a in terms of c. c = 4a 2 c 2 =a 4 c =a 4 Algebra II 4. If A = πrL + πr2, Find L in terms of A and r. A - πr2 = πrL A - πr2 = L πr A –r=L πr 11 5. If E=mc2, find m in terms of c and E. E = mc E =m 2 c Algebra II 2 6. If V = 1/3πr2h, find r in terms of V and h. 1 v = p r 2h 3 3v = p r h 3v = r2 ph 2 3v =r ph 12 p2q L= m 7. If find p in terms of m, L, and q. p2q L= m A = ½bh mL= p2 q 2A = bh mL 2 =p q mL =p q Algebra II 8. If A = 1/2bh, find h in terms of A and b. 2A = h b 13 Solve for y: 5x + 2/3 y = 10 2. Solve for x. 3x - 4y = 12 3. Solve for r in terms of V and h: V = 4/3πr2h 1. Algebra II 14 Literal Equations Algebra II What is P in terms of right now? L and W What should you replace? L W=L+3 W–3=L P = 2L + 2W P = 2(w – 3) + 2w P = 4w – 6 Algebra II 16 What is A in terms of right now? b and h What should you replace? B b = 3h A = ½bh P = ½ (3h)(h) P = 3/2 h2 Algebra II 17 What is V in terms of right now? r and h What should you replace? h r = 1/2h 2r = h V = 1/3πr2h V = 1/3πr2(2r) V = 2/3πr3 Algebra II 18 What is the Area in terms of now? r What should you replace? R C = 2πr R = C/2π A = π(r)2 A = π(C/2π)2 A = C/(4π) Algebra II 19 What is the Area in terms of now? b and h What should you replace? H A = ½ bh A = ½ b(√3/2)b A = √3b2/4 Algebra II 20 h=d V=πr2h What is V in terms of now? Radius and height What should we replace? Height h=d h=2r V=πr2h V=πr2(2r) V=2πr3 Algebra II 21 h=5 + 3r S=2πrh + 2πr2 What is S in terms of now? Radius and height What should we replace? Height h=5+3r S= 2πrh + 2πr2 S= 2πr(5 + 3r) + 2πr2 S= 10πr + 6πr2 +2πr2 S= 10πr + 8πr2 Algebra II 22 1. Solve for y: 1/3 x + 2/5 y = 10. 1. Given 4n + 1/2 m = 12, find m in terms of n. 2. If the area of a square can be found by A = s2 and the perimeter of a square can be found by p = 4s, find area of a square (A) in terms of its perimeter (p). Algebra II 23