Find the Coefficient of x in y=2x-3x²+1: Identifying Linear Terms

a = coefficient of x²

b = coefficient of x

c = coefficient of the independent number


what is the value of b b in the equation

y=2x3x2+1 y=2x-3x^2+1

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Step-by-step video solution

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00:00 Find coefficient B
00:03 We'll use the quadratic equation formula
00:12 We'll arrange the equation to match the formula
00:20 We'll compare the formula to our equation and find the coefficients
00:29 We can see that coefficient B belongs to the X term
00:37 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

a = coefficient of x²

b = coefficient of x

c = coefficient of the independent number


what is the value of b b in the equation

y=2x3x2+1 y=2x-3x^2+1

2

Step-by-step solution

To solve this problem, we need to identify the coefficients in the given quadratic equation:

  • The equation provided is y=2x3x2+1 y = 2x - 3x^2 + 1 .
  • The standard form of a quadratic equation is ax2+bx+c ax^2 + bx + c .
  • From the equation, identify:
    • The ax2 ax^2 term is 3x2 -3x^2 , indicating a=3 a = -3 .
    • The bx bx term is 2x 2x , indicating b=2 b = 2 .
    • The constant term c c is 1 1 .

Thus, the coefficient b b in the equation y=2x3x2+1 y = 2x - 3x^2 + 1 is b=2 b = 2 , which corresponds to choice 1.

3

Final Answer

b=2 b=2

Practice Quiz

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Solve the following equation:

\( 2x^2-10x-12=0 \)

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