IB Maths AA Topic 2 Flashcards

State why a vertical line has an undefined gradient.

State what happens if $b=0$ in $ax+by+d=0$.

State the gradient of a line perpendicular to a line with gradient $0.5$.

Define the gradient of a straight line.

State the formula for the gradient between two points $(x_1,y_1)$ and $(x_2,y_2)$.