GB-24-02-001 · Cubic graphs
A curve has equation . Find y when x = 0.
Cubic Graphs: Evaluating Coordinates
Application of related method — Booklet p. 88
Method
Substitute x into y = x³ − ax + b using brackets ( ) and evaluate powers first
Worked Example (GB-24-02-001)
1)
Substitute x = 0, using brackets.
2)
-6
Ans =
-6