Calculate the equation of a line that passes through the point (2,4) and has a gradient of 1.5 in the form y=mx+c
y-y1=m(x-x1)
y-4=1.5(x-2)
y-4=1.5x-3
y=1.5x+1
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All answers ▸A common question would be how to factorise into two brackets, for example x^2 + 5x = -6
White paint costs £2.80 per litre. Blue paint costs £3.50 per litre. White paint and blue paint are mixed in the ratio 3 : 2 Work out the cost of 18 litres of the mixture.
Rana sells 192 cakes in the ratio small : medium : large = 7 : 6 : 11. medium cakes are worth double small ones and large cakes triple small ones. If the cakes go for £532.48 how much is a small cake worth
f(x) = 3x - 2a || g(x) = 2ax + 1 || fg(x) = 2x + b/2