Mathematics for IGCSE & O level - Graphs Of Functions (Section 1 - No. 4)
How do you find the roots of the function y = x² - 4x + 3?
Set y = 0 and solve for x.
Set x = 0 and solve for y.
Find the vertex of the parabola.
Determine the y-intercept.
Explicació
The roots (x-intercepts) are found when y = 0