Question 23
Coordinate GeometryCalculate the gradient (slope) of the line joining points (−1, 1) and (2, −2).
- A.−1
- B.−½
- C.½
- D.1
Show the answer and explanation
Answer: A (−1)
Explanation
(−2 − 1)/(2 − (−1)) = −3/3 = −1.
Calculate the gradient (slope) of the line joining points (−1, 1) and (2, −2).
Answer: A (−1)
(−2 − 1)/(2 − (−1)) = −3/3 = −1.