Math Problem Statement

Write an equation in slope-intercept form for the line described. x-intercept (-6, 0), y-intercept (0, 5).

Solution

To solve this problem, we are asked to write the equation of a line in slope-intercept form, which is typically given as:

y=mx+by = mx + b

Where:

  • mm is the slope of the line, and
  • bb is the y-intercept.

Given information:

  • x-intercept = (6,0)(-6, 0)
  • y-intercept = (0,5)(0, 5)

Step 1: Find the slope (mm)

The formula for the slope between two points (x1,y1)(x_1, y_1) and (x2,y2)(x_2, y_2) is:

m=y2y1x2x1m = \frac{y_2 - y_1}{x_2 - x_1}

Substituting the given intercept points:

  • (x1,y1)=(6,0)(x_1, y_1) = (-6, 0)
  • (x2,y2)=(0,5)(x_2, y_2) = (0, 5)

m=500(6)=56m = \frac{5 - 0}{0 - (-6)} = \frac{5}{6}

Step 2: Write the equation

Now that we have the slope m=56m = \frac{5}{6} and the y-intercept b=5b = 5, we can write the equation of the line in slope-intercept form:

y=56x+5y = \frac{5}{6}x + 5

This is the equation of the line. Would you like a more detailed breakdown, or do you have any questions?

Related Questions:

  1. What is the equation of a line if the x-intercept is (4,0)(4, 0) and the y-intercept is (0,7)(0, 7)?
  2. How does the slope affect the angle of a line with respect to the x-axis?
  3. Can you find the equation of a line passing through points (1,2)(1, 2) and (4,6)(4, 6)?
  4. What is the equation of a vertical line that passes through the point (6,5)(-6, 5)?
  5. How would you write the equation if the slope is negative and the intercept is (0,3)(0, -3)?

Tip:

Remember, the slope mm tells you how much the line rises or falls for each unit increase in xx. The y-intercept bb is where the line crosses the y-axis.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Slope-Intercept Form

Formulas

Slope formula: m = (y2 - y1) / (x2 - x1)
Slope-intercept form: y = mx + b

Theorems

Basic theorem of linear equations in two variables

Suitable Grade Level

Grades 7-9