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# Diff of /trunk/rochester_problib/setVectors4PlanesLines/ur_vc_2_10.pg

Revision 542 Revision 543
29$e = non_zero_random(-5, 5, 1); 29$e = non_zero_random(-5, 5, 1);
30$f = non_zero_random(-5, 5, 1); 30$f = non_zero_random(-5, 5, 1);
31 31
32BEGIN_TEXT 32BEGIN_TEXT
33Given a the vector equation 33Given a the vector equation
34$$\mathbf{r}$$(t) = 34$$\mathbf{r} (t) =$$
35($a +$d\!t)$$\mathbf{i}$$ + 35($a +$d t)$$\mathbf{i}$$ +
36($b +$e\!t)$$\mathbf{j}$$ + 36($b +$e t)$$\mathbf{j}$$ +
37($c +$f\!t)$$\mathbf{k}$$, 37($c +$f t)$$\mathbf{k}$$,
38rewrite this in terms of the parametric equations for the line. 38rewrite this in terms of the parametric equations for the line.
39$PAR$BR 39$PAR$BR
40x(t) = \{ ans_rule(10) \}$BR 40x(t) = \{ ans_rule(10) \}$BR
41y(t) = \{ ans_rule(10) \}$BR 41y(t) = \{ ans_rule(10) \}$BR
42z(t) = \{ ans_rule(10) \} 42z(t) = \{ ans_rule(10) \}

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