What is the gradient of the straight line through and ?

Answer and explanation

Correct answer: C. 2

  1. Step 1: Gradient is change in divided by change in .
  2. Step 2: Change in : . Change in : . So the gradient is .
Answer
2.
Why not the others: 0.5: This divides the change in by the change in , the wrong way round. 1.75: This adds the coordinates instead of subtracting them. 1.83: This divides the second by the second , which is the gradient from the origin.

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