Linear Equations II

Hong Kong

Stage 1 - Stage 3

The vertical interval joining $A$`A` $\left(-2,2\right)$(−2,2) and $B$`B` $\left(-2,-3\right)$(−2,−3) has been graphed on the number plane. Find the length of the interval.

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Easy

Approx a minute

The horizontal interval joining $A$`A` $\left(-4,5\right)$(−4,5) and $B$`B` $\left(-7,5\right)$(−7,5) has been graphed on the number plane. Find the length of the interval.

The points $P$`P` $\left(-3,-1\right)$(−3,−1), $Q$`Q` $\left(-3,-4\right)$(−3,−4) and $R$`R` $\left(2,-4\right)$(2,−4) are the vertices of a right-angled triangle, as shown on the number plane.

Consider the interval $AB$`A``B` on the graph.

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