Which of the following equations has a root in common with $x^2 - 4x + 4 = 0$ ?

Correct answer marked below

x^2 + 2 = 0

x^2 - 3x - 4 = 0

3x^2 - 12 = 0

Correct

x^2 - 6x + 10 = 0

x^2 - 5x + 7 = 0

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Comments

KushalMar 14, 2025

Thank you very much!

LMar 25, 2025

good question

01.Mar 2, 2025

Good question

YashFeb 2, 2024

thanks a lot

IanFeb 25, 2024

thankss

What this question tests

Your ability to manipulate linear and quadratic expressions, substitute unknowns, and solve equations under time pressure.

Losing a sign when moving terms across the equals sign, or dividing both sides by a variable that could equal zero.