Mathematics
Solve the quadratic equation x2 - 3(x + 3) = 0 and give your answer correct to two significant figures.
Related Questions
Use graph paper for this question. Take 1 cm = 1 unit on both x and y axis.
(i) Plot the following points on your graph sheets :
A(-4, 0), B(-3, 2), C(0, 4), D(4, 1) and E(7, 3).
(ii) Reflect the points B, C, D and E on the x-axis and name them as B', C', D' and E' respectively.
(iii) Join the points A, B, C, D, E, E', D', C', B' and A in order.
(iv) Name the closed figure formed.
For the inter-state supply of the following goods/services, find the amount of bill :
MRP (in ₹) GST % Discount % 2500 12 20 3000 18 30 4000 5 25 5000 12 40 The following table shows the distribution of the marks obtained by 50 students in an aptitude test.
Marks obtained No. of students 15 6 18 18 21 12 24 8 27 4 30 2 Find the mean, the median and the mode of the distribution.