Mathematics jss3 Hi, Test your knowledge with our Mathematics questions! 1 / 20 Change 0.2 to a percentage. None of the above 20% 2% 200% 2 / 20 Factorize: x² – 9 (x – 9)(x + 9) (x – 3)(x + 3) (x – 1)(x – 9) (x + 9)(x + 3) 3 / 20 The gradient (slope) of a line is given by rise/run. If a line rises 4 units and runs 2 units, what is the gradient? 4 0.5 1 2 4 / 20 Simplify: (5a²b)(2ab²) 10a³b³ 7a²b³ 10a²b² 10ab 5 / 20 Find the area of a triangle with base 10 cm and height 6 cm. 10 cm² 20 cm² 15 cm² 30 cm² 6 / 20 Find the value of (2³). 8 5 6 12 7 / 20 What is the probability of getting a 3 when a die is rolled once? 6 –6 2 –2 8 / 20 Evaluate: (–2)³ -6 8 6 -8 9 / 20 Simplify: –4 × 2 -8 6 -2 8 10 / 20 What is the square root of 121? 12 10 11 13 11 / 20 If a = 2 and b = 3, what is ab + b? 12 10 4 9 12 / 20 Simplify: 2(3x – 4) + x 5x – 4 6x + x – 4 7x – 8 6x – 4 13 / 20 If 3x = 12, what is x? 4 5 3 7 14 / 20 Solve: 2x – 3 = 9 x = 5 x = 9 x = 6 x = 4 15 / 20 Find the value of y in: 3y + 4 = 19 6 2 5 7 16 / 20 A pie chart shows that a student spends 90° of a 360° chart on homework. What fraction of his time is that? 3/3 1/4 1/2 1/3 17 / 20 What is 15% of 200? -7 -1 7 1 18 / 20 Expand: (x – 2)(x + 2) x² + 4x + 4 x² – 4 .x² – 4x x² – 2 19 / 20 What is the mean of 5, 7, 10, 8, 10? 7 5 8 6 20 / 20 Convert ¾ to a decimal. 0.5 0.25 0.75 0.95 Your score isThe average score is 61% 0% Restart quiz