#### Transcript millionaire algebra revision

Who Wants To Be A Millionaire? Algebra Question 1 Expand and Simplify 3(2m +1) – 2(2m - 3) A B C D 10m - 3 2m - 3 10m + 9 2m + 9 Expand and Simplify 3(2m +1) – 2(2m - 3) A B C D 10m - 3 2m - 3 10m + 9 2m + 9 £100 Question 2 Factorise completely 4pq – 8q A B C D q(4p – 8) 8q(0.5p – 1) 4q(p – 2) 4(pq – 2q) Factorise completely 4pq – 8q A B C D q(4p – 8) 8q(0.5p – 1) 4q(p – 2) 4(pq – 2q) £200 Question 3 Solve 5(3 – 2m) – 7 = 13 A B C D -0.5 -2.1 0.5 2.1 Solve 5(3 – 2m) – 7 = 13 A B C D -0.5 -2.1 0.5 2.1 £300 Question 4 What is the gradient of this line? A B C D 0.5 -0.5 2 -2 What is the gradient of this line? A B C D 0.5 -0.5 2 -2 £500 Question 5 Solve this inequality n – 5 > 2(n – 7) A B C D n<9 n>9 n>2 n<2 Solve this inequality n – 5 > 2(n – 7) A B C D n<9 n>9 n>2 n<2 £1,000 Question 6 What are the next 3 terms: 1, 3, 6, 10, … A B C D 14, 18, 22 15, 21, 28 11, 13, 16 none of the above What are the next 3 terms: 1, 3, 6, 10, … A B C D 14, 18, 22 15, 21, 28 11, 13, 16 none of the above £2,000 Question 7 Make q the subject of 2 2 2 p =q +r A B C D q=p-r 2 2 q = √(r – p ) q=r-p 2 2 q = √(p – r ) Make q the subject of 2 2 2 p =q +r A B C D q=p-r 2 2 q = √(r – p ) q=r-p 2 2 q = √(p – r ) £4,000 Question 8 What is the equation of this graph? A B C D y = -3x + 2 y = 2x - 3 y = 3x - 2 y = -2x + 3 What is the equation of this graph? A B C D y = -3x + 2 y = 2x - 3 y = 3x - 2 y = -2x + 3 £8,000 Question 9 Solve 5c – 2(4c – 9) = 5 + 5(2 – c) A B C D -1.5 1.5 16.5 -16.5 Solve 5c – 2(4c – 9) = 5 + 5(2 – c) A B C D -1.5 1.5 16.5 -16.5 £16,000 Question 10 Expand and Simplify (3x – 2)(x + 6) A B C D 2 3x – 12 2 3x + 8x – 12 2 3x + 16x – 12 2 3x + 4x – 12 Expand and Simplify (3x – 2)(x + 6) A B C D 2 3x – 12 2 3x + 8x – 12 2 3x + 16x – 12 2 3x + 4x – 12 £32,000 Question 11 What is the nth term for the sequence 5, 9, 13, 17, …? A B C D 5n + 4 4n + 1 n+4 none of the above What is the nth term for the sequence 5, 9, 13, 17, …? A B C D 5n + 4 4n + 1 n+4 none of the above £64,000 Question 12 A B C D x=a/b x = ab x = 0.5ab x = √(ab) A B C D x=a/b x = ab x = 0.5ab x = √(ab) £125,000 Question 13 Use a graphical method to solve the simultaneous equations x + 3y = 6 & y = 2x - 5 A B C D x = 2, y = -1 x = 6, y = 0 x = 3, y = 1 x = 2.5, y = 0 Use a graphical method to solve the simultaneous equations x + 3y = 6 & y = 2x - 5 A B C D x = 2, y = -1 x = 6, y = 0 x = 3, y = 1 x = 2.5, y = 0 £250,000 Question 14 A B C D 19 3 1 -3 A B C D 19 3 1 -3 £500,000 Question 15 Factorise 2 x + 2x - 15 A B C D (x + 5)(x – 3) (x – 5)(x – 3) (x – 5)(x + 3) (x + 5)(x + 3) Factorise 2 x + 2x - 15 A B C D (x + 5)(x – 3) (x – 5)(x – 3) (x – 5)(x + 3) (x + 5)(x + 3) £1,000,000 Question 16 Solve the simultaneous equations 3x + 4y = 23 & 2x + 5y = 20 A B C D x = 4, y = 3 x = 4, y = 2 x = 5, y = 3 none of the above Solve the simultaneous equations 3x + 4y = 23 & 2x + 5y = 20 A B C D x = 4, y = 3 x = 4, y = 2 x = 5, y = 3 none of the above For £5,000,000, what is the answer to the last question? x = 5, y = 2 £5,000,000