Pierakstīties
Mathematics for IGCSE & O level - Coordinate Geometry (Section 4 - No. 42)
If two lines are perpendicular, what is the product of their gradients?
1
-1
0
2
Paskaidrojums
Perpendicular lines have gradients that multiply to -1
komentāri (0)
Piesakieties, lai komentētu
Reklāma
Ļaujiet javascript pareizi ielādēt šo lapu
