GCE Mathematics 2022 Objective — Question 46
Question 46 of 50 from the General Certificate of Education (GCE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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The straight line y=mx-4 passes through the point (-4,16). Calculate the gradient of the line.
- A. -5Correct
- B. -3
- C. 3
- D. 5
Explanation
Substituting the point: 16 = m(-4)-4, so 16=-4m-4, 4m=-20, m=-5.
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