Assertion: line's slope | /r/HasProperty | gradient
Facets:
Source sentences:
text: y = b x + d {\displaystyle y=bx+d} where a {\displaystyle a} and b {\displaystyle b} are the slopes (gradients) of the lines and where c {\displaystyle c} and d {\displaystyle d} are the y-intercepts of the lines.