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JAMB Mathematics 2022 Paper

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Question : 28

Total: 39

The coordinates of the mid-point of the line joining the points (-3,5) and (2,10) is given by?

( $\frac{1}{2}$ , $\frac{15}{2}$ )
( $\frac{1}{2}$ , $\frac{-15}{2}$ )
( $\frac{-1}{2}$ , $\frac{-15}{2}$ )
( $\frac{-1}{2}$ , $\frac{15}{2}$ )

Solution:

Given Data: x $_1$ = -3, x $_2$ = 2, y $_1$ = 5, y $_2$ = 10

coordinates of the mid-point of the line = ( $\frac{x_1 + x_2}{2}$ , $\frac{y_1 + y_2}{2}$ )

( $\frac{-3 +2}{2}$ , $\frac{5 + 10}{2}$ )

= $\frac{-1}{2}$ ) , $\frac{15}{2}$ )

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