MATHEMATICS · Multi-part · A Level · Mathematics · Algebra and Functions · Algebra and Functions
Problem
Consider the simultaneous equations {y=−2x+54x+2y=10.
(1) - a Graph each line on the same set of axes. What do you notice?
(2) - b Try to solve the simultaneous equations using:
- i substitution
- ii elimination.
(3) - c How many solutions does this system of simultaneous equations have?