Math Problem Statement

Y=2/3x+2; (6,-1)

Solution

You have the equation of a line:

y=23x+2y = \frac{2}{3}x + 2

and the point (6,1)(6, -1). To determine if the point (6,1)(6, -1) lies on the line, substitute x=6x = 6 into the equation and check if the resulting yy-value equals 1-1.

  1. Substituting x=6x = 6 into the equation:

y=23(6)+2y = \frac{2}{3}(6) + 2

Simplifying:

y=123+2=4+2=6y = \frac{12}{3} + 2 = 4 + 2 = 6

Since the calculated yy-value is 6 and not 1-1, the point (6,1)(6, -1) does not lie on the line.

Would you like to see a step-by-step breakdown of the solution or have any other questions?

Here are 5 related questions:

  1. How can we find the distance between the point and the line?
  2. How would you determine the slope of a line perpendicular to this one?
  3. How do you find the equation of a line passing through the point (6,1)(6, -1) and parallel to the given line?
  4. How would you graph this line and the point (6,1)(6, -1)?
  5. What is the x-intercept of the line y=23x+2y = \frac{2}{3}x + 2?

Tip: When checking if a point lies on a line, substitute both the x- and y-values into the equation. If both sides balance, the point is on the line.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Coordinate Geometry

Formulas

Slope-intercept form: y = mx + b
Substitution: y = 2/3 * x + 2

Theorems

Point-slope relationship

Suitable Grade Level

Grades 8-10