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anonymous

  • one year ago

Which of these is the x-intercept of x = 3? A.) (0,3) B.) (3,3) C.) (3,0) D.) (-3,0), (0,3) E.) (3,0), (0,-3) xoxo, thank you.<3

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  1. anonymous
    • one year ago
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    c

  2. anonymous
    • one year ago
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    its actually 3 but (3,0) is acquitted

  3. Ciarán95
    • one year ago
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    Let's imagine we have a 2-dimensional xy-scale (apologies for my bad drawing skills!): |dw:1435673010221:dw| When we talk about an x-intercept, we're generally referring to the point at which an object such as a line cuts the x-axis. That is, it is the point on the x-axis that we pass through as the line meets, or 'intersects', the axis. As you may be able to see, this point will always have a y-coordinate of 0, as y is equal to 0 at all places along the x-axis. x=3 is simply the equation of such a line, where x is equal to 3 the whole time. That means, for the infinite number of points (x, y) which lie along this line, each of them have an x-coordinate of 3. That must mean that the line x=3 is vertical (straight), as shown below: |dw:1435673661883:dw| So, if all the points along the line will have a fixed x-coordinate of 3 and some random y-coordinate, if we want to find the point at the x-intercept, where we know the y-coordinate is also fixed, what will that point be?

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