19-01-2018
Mathematics

contestada

the answer would be perpendicular?

smh i hate this stuff

the answer would be perpendicular smh i hate this stuff class=

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gustanika gustanika

19-01-2018

If the slope of two line applies the rule of

m₁ × m₂ = -1

that means the two lines are perpendicular

9/8 × -8/9 = -1

So line a and line b are perpendicular.

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