Mathematics for IGCSE & O level - Graphs Of Functions (Section 3 - No. 17)
Which of the following equations are solved by finding the points of intersection of a line and a curve?
2x² - 2x - 3 = 1
y = 2x+1
x³ - 2x² + x = 0
y = x² + 1
Explanation
Equations are solved graphically by finding where the line and curve intersect. Option b is a line, not a curve. Option c is cubic but is a single curve, not two intersecting curves.
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