Math Problem Statement

Find the coordinates of the point where the line y= 2x cuts the axis.

Solution

To find the coordinates where the line y=2xy = 2x cuts the axes, we need to consider two points:

  1. Intersection with the x-axis:

    • On the x-axis, y=0y = 0.
    • Substitute y=0y = 0 into the equation y=2xy = 2x:

    0=2x0 = 2x

    Solving for xx, we get:

    x=0x = 0

    So, the line intersects the x-axis at the point (0,0)(0, 0).

  2. Intersection with the y-axis:

    • On the y-axis, x=0x = 0.
    • Substitute x=0x = 0 into the equation y=2xy = 2x:

    y=2(0)=0y = 2(0) = 0

    So, the line also intersects the y-axis at the point (0,0)(0, 0).

Thus, the line y=2xy = 2x cuts both the x-axis and y-axis at the origin, with coordinates (0,0)(0, 0).

Would you like more details or have any questions? Here are some related questions:

  1. How can you find the intersection points of two lines?
  2. What happens if the line is vertical, like x=2x = 2?
  3. How do you determine the slope of a line from its equation?
  4. What is the general method for finding intercepts in a quadratic equation?
  5. How does the slope affect where a line intersects the axes?

Tip: Always remember that a line in slope-intercept form y=mx+by = mx + b intersects the y-axis at (0,b)(0, b), where bb is the y-intercept.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Coordinate Geometry

Formulas

Slope-intercept form y = mx + b

Theorems

Intercept Theorem

Suitable Grade Level

Grades 6-8