a)plot the points on a graph and draw a line of best fit for the following equat

ID: 3103308 • Letter: A

Question

a)plot the points on a graph and draw a line of best fit for the following equation:
1)(x=4,y=11),(x=8,y=19),(x=27,y=29)

2)(x=6,y=13),(x=8,y=14),(x=14,y=17),(x=17,y=18),(x=18,y=20),(x=20,y=25)

3)(x=4,y=22),(x=7,y=16),(x=8,y=14),(x=10,y=10),(x=14,y=2)

4)(x=0.6,y=4.4),(x=1.5,y=7.1),(x=2.3,y=9.5),(x=3.8,y=14),(x=4.2,y=15.2),(x=4.4,y=15.8)

5)(x=4,y=2),(x=8,y=5),(x=16,y=11),(x=20,y=15),(x=32,23)

b)by drawing a suitable triangle find the gradient of the line ,write down the co-ordinates of the y intercept

the formula for an equation for a line is mx + b .. b is the y-interecept and mx is the slope and m= y2-y1/x2-x1 that should help you

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