Question

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54
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ܘ
1
-5 -4 -3 -2 -19
-2
-3
GA
2 3 4 5
What is the gradient of the blue line?
X

Answer 1

2/-8 = -1/4 or -0.25 in decimal

Explanation:

To find the slope take two distinguishable points on the graph(integer values preferred).

Find the difference in the y values and divide by the corresponding difference in the x values

You can identify 2 points with integer coordinates as

(-5, 3) and (3, 1)

Difference in y values = 3 - 1 = 2

Corresponding difference in x values : -5 - 3 = -8

So slope is 2/-8 = -1/4 or -0.25 in decimal

Answer 2

-0.25

Explanation:

rise/run=2/8

= 0.25

ans is negative because line is going down