Question

which set of points are collinear?
(image of a coordinate system with points h, d, a, s on a horizontal line and y, d, t, p on a vertical line. multiple choice options: h,a,s; t,d,a; y,d,a; h,y,s)

Explanation:

Collinear points lie on the same straight line. Looking at the diagram:

• Points H, A, S lie on the horizontal line (the x - like axis), so they are collinear.
• Points T, D, A: T and D are on the vertical line, A is on the horizontal line, so not collinear.
• Points Y, D, A: Y and D are on the vertical line, A is on the horizontal line, so not collinear.
• Points H, Y, S: H is on horizontal, Y on vertical, S on horizontal but not aligned with H and Y, so not collinear.

Answer:

H,A,S