Math Problem Statement

What is the graph of the equation y = -1/4x + 2? The y-intercept is ___, which means the line crosses the y-axis at the point (___, ___).

Solution

The equation given is:

y=14x+2y = -\frac{1}{4}x + 2

To analyze this equation and find the y-intercept:

  1. Identify the y-intercept: In the slope-intercept form y=mx+by = mx + b, bb represents the y-intercept. Here, b=2b = 2.

    Therefore, the y-intercept is 2.

  2. Point on the y-axis: Since the y-intercept is the point where the line crosses the y-axis, the x-coordinate at this point is 00. So, the line crosses the y-axis at the point:

    (0,2)(0, 2)

Answer:

  • The y-intercept is 22.
  • The line crosses the y-axis at the point (0,2)(0, 2).

Would you like further details on how to graph this line or the effect of the slope 14-\frac{1}{4} on its direction?

Here are some related questions to consider:

  1. What is the slope of this line, and how does it affect the line's orientation?
  2. How would the graph change if the y-intercept were a different value?
  3. What points would you choose to plot to accurately draw this line on a graph?
  4. How do you determine the x-intercept for this line?
  5. Can you rewrite this equation in a different form, like point-slope form?

Tip: The slope in the equation tells you how much yy changes for each unit increase in xx. A negative slope means the line will go downwards as you move from left to right.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Slope-Intercept Form

Formulas

y = mx + b

Theorems

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Suitable Grade Level

Grades 7-9