akay32980 akay32980

12-09-2022
Mathematics

contestada

Work out the equation of the line which has a gradient of -2 and
passes through the point (1, 7)

Respuesta :

antonroy72 antonroy72

12-09-2022

Answer:

y = -2x + 9

Step-by-step explanation:

1) Use the equation y = mx + c (m being gradient and c being y-intercept)

2) Substitute all the values to get 7 = -2(1) + c

3) Solve to get c:

7 = -2 + c
9 = c

4) Final answer: y = -2x + 9

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