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现在参加这个测试
8M: 2-5 QC (solve for a variable)
  • 1. Solve for y. y + 9 = 15x
A) y = 15x + 9
B) 15x - y = 9
C) y = 15x - 9
  • 2. Solve for y. 2y = 14 - 8x
A) y = 7 - 8x
B) 2 = 28 - 16x
C) y = 14 - 4x
D) y = 7 - 4x
  • 3. Solve for y. y - 10x = 5
A) y = 5 - 10x
B) y = 10x + 5
C) -10x + y = 5
D) y = 50x
  • 4. Solve for y. 2x + y = 15
A) y = - 2x + 15
B) y = 30x
C) y = -2x - 15
D) y = 2x + 15
  • 5. Solve for y. 4x + 2y = 24
A) y = 2x + 12
B) y = -4x + 12
C) y = 2x + 24
D) y = -2x + 12
  • 6. Solve for y. -5x + 10y = 40
A) y = -.5x - 4
B) y = .5x + 4
C) y = -.5x + 4
D) y = .5x + 40
  • 7. Solve for y. 8x + y = 22
A) y = -8x - 22
B) y = 8x + 22
C) y = -8x + 22
D) y = 8x - 22
  • 8. Solve for y. 6x + 3y = 18
A) y = -2x - 6
B) y = -2x + 18
C) y = 2x + 6
D) y = -2x + 6
  • 9. Solve for y. 5y = 10 - 80x
A) y = 16x + 2
B) y = -14x
C) y = 2 - 80x
D) y = -16x + 2
  • 10. Solve for y. 8x - 2y = 16
A) y = 4x - 16
B) y = -4x + 8
C) y = 8x - 8
D) y = 4x - 8
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