Math Problem Statement

Find the y-intercept and x-intercept of the line 6x - 7y = 42.

Solution

To find the x-intercept and y-intercept of the line given by the equation:

6x7y=426x - 7y = 42

We can approach the solution as follows:

1. Find the y-intercept:

The y-intercept occurs where x=0x = 0. Substitute x=0x = 0 into the equation:

6(0)7y=426(0) - 7y = 42 7y=42-7y = 42 y=6y = -6

So, the y-intercept is (0,6)(0, -6).

2. Find the x-intercept:

The x-intercept occurs where y=0y = 0. Substitute y=0y = 0 into the equation:

6x7(0)=426x - 7(0) = 42 6x=426x = 42 x=7x = 7

So, the x-intercept is (7,0)(7, 0).

Final Answer:

  • y-intercept: y=6y = -6
  • x-intercept: x=7x = 7

Let me know if you want more details or have any questions!

Here are 5 related questions for further practice:

  1. How do you find the slope of a line given its equation in standard form?
  2. Can you express this line in slope-intercept form?
  3. What is the equation of a line parallel to this one but passing through a different point?
  4. How do you find the x- and y-intercepts for a quadratic equation?
  5. How would the intercepts change if the equation were 6x7y=426x - 7y = -42?

Tip: When looking for intercepts, remember that the x-intercept is where y=0y = 0 and the y-intercept is where x=0x = 0.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Intercepts

Formulas

x-intercept: Set y = 0
y-intercept: Set x = 0

Theorems

Intercepts of a Linear Equation

Suitable Grade Level

Grades 8-10