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In each of these expressions x, y and z represent lengths. State whether each expression could represent length, area, volume or none.
(a) xy + yz could represent:
(b) xy(y2 + z) could represent:
(c) x + y + z could represent:
(d) xy2 + z3 could represent:
In the expressions in the table x, y and z represent lengths.
State whether each expression could represent length, area, volume or none.
(c) xy + z:
(d) xy(x + z):
The table shows some expressions. a, b, c and d represent lengths. π and 2 are numbers that have no dimensions.
Three of the expressions could represent areas.
Tick the boxes underneath these three expressions.CorrectIncorrect