Math Problem Statement

What is the slope of the line in the equation y = -7x + 6? What is the slope of the line in the equation y = x + 2?

Solution

Let’s analyze the questions in the image and find the slopes for the given equations:


Question 17:
The equation is y=7x+6y = -7x + 6.

  • The equation is in slope-intercept form: y=mx+by = mx + b, where mm is the slope and bb is the y-intercept.
  • Here, m=7m = -7.

Answer: The slope is 7-7.


Question 18:
The equation is y=x+2y = x + 2.

  • Again, this is in slope-intercept form y=mx+by = mx + b.
  • Here, m=1m = 1, as the coefficient of xx is 11.

Answer: The slope is 11.


Would you like a detailed explanation of the slope-intercept form or further clarification?

Here are 5 related questions to deepen your understanding:

  1. How can you determine the slope of a line if the equation is not in slope-intercept form?
  2. What is the slope of a vertical line, and why is it undefined?
  3. How does the slope of a line relate to its steepness and direction?
  4. Can you write the equation of a line if the slope and a point are given?
  5. What does the slope represent in real-world applications, such as in physics or economics?

Tip: To quickly identify the slope, always rewrite the equation in y=mx+by = mx + b form, if it’s not already.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Slope-Intercept Form

Formulas

y = mx + b, where m is the slope and b is the y-intercept

Theorems

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Suitable Grade Level

Grades 7-9