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BECE Mathematics 2024 Paper

Question : 14

Total: 40

y=mx+c

Solution:

Concept:

The slope of a straight line is the ratio of the vertical change to the horizontal change between two points on the line.

Explanation:

From the graph, the line passes through the points

(1,1)

and

(0,3)

Use the slope formula:

m = \frac{y_2 - y_1}{x_2 - x_1}

Let

(x_1,y_1) = (1,1)

and

(x_2,y_2) = (0,3)

Substitute the values:

m = \frac{3-1}{0-1} = \frac{2}{-1} = -2

Answer:

The slope of the relation is

-2

Correct option: A.

-2

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