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A is the point with coordinates (5,9) B is the point with coordinates (d,17) The line AB has gradient 4 Work out the value of d​

Answer :

Fezza90go

Answer:

d=9

Step-by-step explanation:

The gradient of straight line is given by

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Plug in our knows

[tex]4=\frac{17-9}{d-5} \text{ Solve for d} \\\\4(d-5)=8\\\\d-5=4\\d=9[/tex]

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