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Practicing Success
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| For what value of a, the points with position vectors 60i ̂+3j ̂, 40i ̂-8j ̂, ai ̂+52j ̂ are collinear? |
a=40
a=20
a= -40
a=30
|
| a= -40 |
| AB∥ BC => AB=kBC Solve the equation and find k and a |
