Daily Practice - Higher

Four classes in order have frequencies 12, 7, 3, 6. Write down the cumulative frequency at the end of the third class.

Write √98 in the form a √b, where b is as small as possible.Write sqrt(98) in the form a sqrt(b), where b is as small as possible.

For the curve y = -5/x, work out y when x = 1, and write down the equation of its vertical asymptote.

A block has volume 15 cm³ and density 3 g/cm³. Work out its mass.A block has volume 15 cm^3 and density 3 g/cm^3. Work out its mass.

Two similar solids have lengths in the ratio 1 : 3. The larger has a volume of 675 cm³. Work out the volume of the smaller.Two similar solids have lengths in the ratio 1 : 3. The larger has a volume of 675 cm^3. Work out the volume of the smaller.