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Identify the correct list of coefficients for the quadratic expression: 7x^2−4x+12

A) 7, -4, 12
B) 7x^2, -4x, 12
C) 7x^2, -4x
D) 7, -4

1 answer

The correct list of coefficients for the quadratic expression \( 7x^2 - 4x + 12 \) is:

A) 7, -4, 12

Here, the coefficients refer to the numbers in front of the powers of \( x \). In this expression:

  • The coefficient of \( x^2 \) is 7,
  • The coefficient of \( x \) is -4,
  • The constant term is 12.