We are asked to find the equation of a straight line with a given gradient of 7 that passes through the point (2, 6). We need to express the equation in the form $y = mx + c$, where $m$ is the gradient and $c$ is the y-intercept.

AlgebraLinear EquationsCoordinate GeometrySlope-intercept form
2025/4/30

1. Problem Description

We are asked to find the equation of a straight line with a given gradient of 7 that passes through the point (2, 6). We need to express the equation in the form y=mx+cy = mx + c, where mm is the gradient and cc is the y-intercept.

2. Solution Steps

We are given the gradient m=7m = 7. The equation of the line is of the form y=7x+cy = 7x + c.
We are also given that the line passes through the point (2, 6). This means that when x=2x = 2, y=6y = 6. We can substitute these values into the equation to find cc:
6=7(2)+c6 = 7(2) + c
6=14+c6 = 14 + c
c=614c = 6 - 14
c=8c = -8
Therefore, the equation of the line is y=7x8y = 7x - 8.

3. Final Answer

y=7x8y = 7x - 8

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