Question 46
Coordinate GeometryThe straight line y = mx − 4 passes through the point (−4, 16). Calculate the gradient of the line.
- A.−5
- B.−3
- C.3
- D.5
Show the answer and explanation
Answer: A (−5)
Explanation
16 = −4m − 4, so −4m = 20 and m = −5.
The straight line y = mx − 4 passes through the point (−4, 16). Calculate the gradient of the line.
Answer: A (−5)
16 = −4m − 4, so −4m = 20 and m = −5.