Algebra 1: Lesson 4.8 Flashcards
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Algebra 1: Lesson 4.8 Flashcards

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Questions and Answers

What is the equation of the line for y=1?

y=1

What is the equation of the line for y=2?

y=2

What is the equation of the line for x=-2?

x=-2

What is the equation of the line for x=-1?

<p>x=-1</p> Signup and view all the answers

What is the equation of the line for x=3?

<p>x=3</p> Signup and view all the answers

What is the equation of the line for y=5?

<p>y=5</p> Signup and view all the answers

What is the equation of the line for x=-5?

<p>x=-5</p> Signup and view all the answers

What is the equation of the line for y=-3?

<p>y=-3</p> Signup and view all the answers

What is the equation of the line for y=-5?

<p>y=-5</p> Signup and view all the answers

What is the equation of the line for x=2?

<p>x=2</p> Signup and view all the answers

What is the equation of the line for x=-3?

<p>x=-3</p> Signup and view all the answers

What is the slope for zero slope?

<p>0/3</p> Signup and view all the answers

What is the slope for undefined slope?

<p>3/0</p> Signup and view all the answers

What type of line represents zero slope?

<p>horizontal line</p> Signup and view all the answers

What type of line represents undefined slope?

<p>vertical line</p> Signup and view all the answers

Study Notes

Equations of Horizontal and Vertical Lines

  • Horizontal lines are represented by equations in the form y = c, where c is a constant.

  • Example: y = 1 denotes a horizontal line cutting the y-axis at 1.

  • All horizontal lines have a slope of zero (0).

  • Vertical lines are represented by equations in the form x = c, where c is a constant.

  • Example: x = -2 indicates a vertical line crossing the x-axis at -2.

  • All vertical lines have an undefined slope.

Specific Examples of Lines

  • y = 2 is a horizontal line that intersects the y-axis at 2.
  • x = -1 is a vertical line that crosses the x-axis at -1.
  • x = 3 is a vertical line at 3 on the x-axis.
  • y = 5 is a horizontal line located at y=5.
  • x = -5 represents a vertical line at -5 on the x-axis.
  • y = -3 is a horizontal line intersecting the y-axis at -3.
  • y = -5 indicates a horizontal line at y=-5.
  • x = 2 depicts a vertical line located at x=2.
  • x = -3 is a vertical line crossing the x-axis at -3.
  • x = 1 represents a vertical line intersecting at x=1.

Concepts of Slope

  • A zero slope (0) characterizes horizontal lines, meaning there is no vertical change regardless of horizontal change.
  • An undefined slope defines vertical lines, indicating that there is vertical change without any horizontal change.

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Test your knowledge of horizontal and vertical lines with these flashcards. Each card presents an equation, and your task is to write the equation of the corresponding line. It's a great way to reinforce your understanding of line equations in Algebra.

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