Math Problem Statement

Graph the equation y = (3/4)x - 6 on the coordinate plane and identify its slope, y-intercept, x-intercept, and the zero of the function.

Solution

Let's analyze the linear equation y=34x6y = \frac{3}{4}x - 6 and identify the features requested:

  1. Slope: The equation is in slope-intercept form y=mx+by = mx + b, where mm is the slope. Here, m=34m = \frac{3}{4}, so the slope is 34\frac{3}{4}.

  2. y-intercept: The y-intercept is the value of yy when x=0x = 0. From the equation, when x=0x = 0, y=6y = -6. So, the y-intercept is 6-6.

  3. x-intercept: To find the x-intercept, set y=0y = 0 and solve for xx: 0=34x60 = \frac{3}{4}x - 6 34x=6\frac{3}{4}x = 6 x=6×43=8x = 6 \times \frac{4}{3} = 8 So, the x-intercept is 88.

  4. Zero of the function: The zero of the function is the same as the x-intercept, which is 88.

Summary of features:

  • Slope: 34\frac{3}{4}
  • y-intercept: 6-6
  • x-intercept: 88
  • Zero of the function: 88

Would you like further clarification or a more detailed explanation on any of these points?

Here are 5 related questions to expand your understanding:

  1. How do you determine the slope from a linear equation in other forms?
  2. What happens to the graph if the y-intercept changes?
  3. How can you quickly find the x-intercept using a graph?
  4. How does the slope affect the steepness of the line?
  5. Can a linear equation have more than one x-intercept?

Tip: Always set y=0y = 0 to find the x-intercept and x=0x = 0 to find the y-intercept when dealing with linear equations!

Ask a new question for Free

By Image

Drop file here or Click Here to upload

Math Problem Analysis

Mathematical Concepts

Linear Equations
Slope-Intercept Form
Intercepts

Formulas

y = mx + b (Slope-Intercept Form)
x-intercept: Set y = 0, solve for x
y-intercept: Set x = 0, solve for y

Theorems

Properties of Linear Functions

Suitable Grade Level

Grades 7-10