Linear Equations in One Variable

SAT Math· difficulty 4/5

The lines 3x+2y=123x + 2y = 12 and y=32x+ky = -\frac{3}{2}x + k are the same line. What is the value of kk?

  • A

    12

  • B

    6

    check_circle
  • C

    8

  • D

    4

Explanation

Solve 3x+2y=123x + 2y = 12 for yy: y=32x+6y = -\frac{3}{2}x + 6. So k=6k = 6.

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