Daily Practice - Higher

A box plot has minimum 7, lower quartile 12, median 19, upper quartile 29 and maximum 34. Work out the interquartile range.

Write √50 in the form a √b, where b is as small as possible.Write sqrt(50) in the form a sqrt(b), where b is as small as possible.

For the curve y = -6/x, work out y when x = 2, and write down the equation of its vertical asymptote.

y is directly proportional to x². When x = 4, y = 48. Work out y when x = 2.y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 2.

Two similar solids have lengths in the ratio 1 : 4. The larger has a volume of 2496 cm³. Work out the volume of the smaller.Two similar solids have lengths in the ratio 1 : 4. The larger has a volume of 2496 cm^3. Work out the volume of the smaller.