Math Problem Statement

help me with the first step of the following question: Write an equation of the line that passes through the given points in​ slope-intercept form. ​(-3​,5​), ​(6​,2​)

Solution

To write the equation of a line in slope-intercept form y=mx+by = mx + b, the first step is to find the slope mm using the given points (3,5)(-3, 5) and (6,2)(6, 2).

Step 1: Calculate the slope (mm) using the slope formula:

m=y2y1x2x1m = \frac{y_2 - y_1}{x_2 - x_1} Substitute the coordinates: m=256(3)=36+3=39=13m = \frac{2 - 5}{6 - (-3)} = \frac{-3}{6 + 3} = \frac{-3}{9} = -\frac{1}{3}

The slope of the line is m=13m = -\frac{1}{3}.

Would you like me to proceed to the next step to find the yy-intercept (bb) or clarify this step?


5 Related Questions:

  1. How do you find the yy-intercept of a line if the slope is known?
  2. What is the slope of a horizontal line or vertical line?
  3. Can a line passing through two points ever have a slope of 00?
  4. How do you check if two points lie on the same line?
  5. What is the importance of slope-intercept form in graphing equations?

Tip: Always simplify the slope to its lowest terms to avoid errors in subsequent calculations.

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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

Slope formula for a line through two points

Suitable Grade Level

Grades 8-10