Math Problem Statement

Using slope-intercept form, write an equation representing the line that has a slope of 3 and a y-intercept of (0, 5).

Solution

The slope-intercept form of a linear equation is given by:

y=mx+by = mx + b

where:

  • mm is the slope of the line,
  • bb is the y-intercept, which is the point where the line crosses the y-axis.

Given:

  • Slope m=3m = 3,
  • Y-intercept b=5b = 5 (from the point (0,5)(0, 5)).

Substitute these values into the slope-intercept equation:

y=3x+5y = 3x + 5

Final Answer:

The equation of the line is:

y=3x+5y = 3x + 5

Would you like more details or have any questions?

Here are 8 related questions you might consider:

  1. How do you find the slope of a line given two points?
  2. What is the equation of a line with a slope of -2 and a y-intercept of 3?
  3. How do you convert a standard form equation to slope-intercept form?
  4. What is the significance of the slope in the context of a graph?
  5. How do you find the equation of a line parallel to y=3x+5y = 3x + 5?
  6. How do you find the equation of a line perpendicular to y=3x+5y = 3x + 5?
  7. What is the slope-intercept form for a horizontal line?
  8. How does the y-intercept change if the line passes through the origin?

Tip: When identifying the equation of a line, always pay attention to the slope and y-intercept as they directly determine the line's behavior and position on the graph.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Slope
Y-intercept
Slope-Intercept Form

Formulas

Slope-Intercept Form: y = mx + b

Theorems

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Suitable Grade Level

Grades 7-9