Math Problem Statement

write the equation in slope intercept form for the line with the given slope that contains the given point slope = -3; (-1,6)

Solution

The slope-intercept form of a line is:

y=mx+by = mx + b

where mm is the slope and bb is the y-intercept.

Given:

  • Slope m=3m = -3
  • Point (1,6)(-1, 6)

Steps:

  1. Substitute m=3m = -3, x=1x = -1, and y=6y = 6 into the equation to solve for bb:

    6=3(1)+b6 = -3(-1) + b

  2. Simplify:

    6=3+b6 = 3 + b

  3. Subtract 3 from both sides to solve for bb:

    b=3b = 3

Final Equation

The equation of the line in slope-intercept form is:

y=3x+3y = -3x + 3

Would you like a detailed breakdown of each step?

Here are five related questions:

  1. How do you find the slope-intercept form if given two points instead of a slope and point?
  2. What is the process to convert the slope-intercept form to the standard form?
  3. How does the slope affect the angle of the line with respect to the x-axis?
  4. How would the equation change if the line were parallel to this one?
  5. What is the y-intercept and how can you graph this line?

Tip: Always check your slope and y-intercept values carefully to ensure they match the points given.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Slope-Intercept Form

Formulas

y = mx + b

Theorems

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Suitable Grade Level

Grades 8-10