6
algebra

Solve for xx: y=mx+by = mx + b

A

x = (y - b) / m

B

x = y - b - m

C

x = (y + b) / m

D

x = y / m - b

Correct Answer: A

Choice Ahoice C is the correct answer.

  1. Start: y=mx+by = mx + b
  2. Subtract b: y−b=mxy - b = mx
  3. Divide by m: x=y−bmx = \frac{y - b}{m}

Choice Ahoice D is incorrect because subtracted m.

Choice Ahoice C is incorrect because sign error.

Choice Ahoice B is incorrect because order of operations error.

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Linear Functions Set 36