Mathematics for IGCSE & O level - Graphs Of Functions (Section 2 - No. 43) | ExamPlay

Mathematics for IGCSE & O level - Graphs Of Functions (Section 2 - No. 43)

When graphing the function y = x² - 4x + 3, what is the y-value when x = 0?

0

3

-4

1

Explanation

Substitute x=0 into the equation: y = (0)² - 4(0) + 3 = 3.

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