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Sladkaya [172]
3 years ago
8

Slope is 3/7,and (4,9) is on the line

Mathematics
1 answer:
TiliK225 [7]3 years ago
3 0

Answer:

y-9=\frac{3}{7}(x-4)

or

y=\frac{3}{7}x+\frac{51}{7}

Step-by-step explanation:

To write the equation of the line using a slope and a point, use the point-slope formula y-y_1 = m(x-x_1). Here m is 3/7. And the point (x_1,y_1) is (4,9). Substitute the values and simplify.

y-y_1=m(x-x_1)\\y-9=\frac{3}{7}(x-4)\\y-9=\frac{3}{7}x - \frac{12}{7}\\y=\frac{3}{7}x -\frac{12}{7} + 9\\y=\frac{3}{7}x + \frac{51}{7}

Both the point slope form and the final simplified form are considered equations of the line.

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