The two lines x + y = 3 and 4x + 4y = 12 intersect?
- At one point
- At two points
- At all points
- Don’t intersect
Explanation
4x + 4y = 12 is just a multiple of x + y = 3 → same line.
The equation 4x + 4y = 12 is just a multiple of x + y = 3 (multiply both sides by 4).
So, both equations represent the same line, meaning they intersect at all points on that line.
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