A house is valued at £210 000 correct to 2 significant figures. a) What is the lowest possible value of the house?
£
210500
209500

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0