MATH 170 · Points, lines and regions · Algebra Review

One line, four ways linear functions

Eight word problems — the six from the points-and-lines worksheets, plus two more whose line naturally falls. Each one is one line told four ways — as a graph, a formula, a table, and a sentence. Move any one of them and watch the other three keep up.

function notation

table of values

in plain language

Drag a gold handle (or press arrow keys on it) — every representation updates together.
PSI per foot of depth
PSI at the surface (depth 0)
Try: switch to butterflies — what does a negative slope say in words?