x | 6.20 | 6.85 | 7.50 |
y | 3.90 | 5.20 | 6.50 |
The points on a linear graph are as shown in the table. Find the gradient (slope) of the line.
212
2
1
12
Correct answer is B
Gradient = y2−y1x2−x1
= 5.20−3.906.85−6.20
= 1.30.5
= 2
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