At what point will the line x-y = 8 intersect y axis?

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Solution

A line intersects the y axis when the x value is equal to 0.

x - y = 8

x = 8 + y

Since we want x to be 0, we can say

0 = 8 + y

y = -8

So that intersection point is (0; -8).

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Similar questions

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(a) The y-coordinate of a point on the x-axis is ____________.

(b) The x-axis coordinate is called as ____________.

(d) If a point (x, y) ≠ (0, 0) is in the third quadrant, then x + y has _____________ sign.

(e) If a point (x, y) lies above horizontal axis, then y is always _____________.

(f) The point of intersection of x = y and x = − y is ____________.

(g) The line y = 4x + 5 intersects y-axis at the point ____________.

y = x + 7

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