## (Math Quiz 10 – CT) Of the following vectors, how many pairs of vectors have the same direction? (overrightarrow a left( { – 1;;2} right);;overrightarrow b left( {frac{3}{2};; – 3} right);;overrightarrow c left( {3;; – 5} right) ;;overrightarrow d left( { – 2;;frac{{10}}{3}} right))

You are in: / / (Math Quiz 10 – CT) Of the following vectors, how many pairs of vectors have the same direction? $$\overrightarrow a \left( { – 1;\;2} \right);\;\overrightarrow b \left( {\frac{3}{2};\; – 3} \right);\;\ overrightarrow c \left( {3;\; – 5} \right);\;\overrightarrow d \left( { – 2;\;\frac{{10}}{3}} \right)$$