Math Problem Statement
A line has a slope of 8 and a y-intercept of –5. Write its equation in slope-intercept form. Write your answer using integers, proper fractions, and improper fractions in simplest form.
Solution
The slope-intercept form of a line's equation is given by:
where:
- is the slope
- is the y-intercept
Given:
- Slope
- Y-intercept
Substituting these values:
This is the required equation of the line in slope-intercept form.
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Related Questions:
- How do you find the slope of a line given two points?
- Convert into standard form.
- Find the x-intercept of the line .
- What is the equation of a line parallel to and passing through (2,3)?
- What is the equation of a line perpendicular to and passing through (1,-2)?
Tip: The slope of a line perpendicular to another line is the negative reciprocal of the original slope.
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Math Problem Analysis
Mathematical Concepts
Algebra
Slope-Intercept Form
Linear Equations
Formulas
Slope-intercept form: y = mx + b
Theorems
Slope-intercept form of a linear equation
Suitable Grade Level
Grades 7-9