Fl ifx is perpendicular to the vectors yi, y2 and y3 then x is also perpendicular to yı y and . [t to yi — у2 + уз- 2. [t f] if |x| 3 and |ly|= 4 and x is perpendicular to y then ||x +y||= 5. 3. [t fl let a be an invertiblen xn matrix, b be an n x n matrix and i be an n xn identity matrix then (aba1 i) = a(b i)a-1

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

When lulu enlarged her drawing of a rabbit, the enlarged picture appeared to be distorted. which statement about the transformation applied to her drawing is true?

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel