Math Problem Statement

Graph of polynomial function

Graph of polynomial function

Solution

The expression provided in the image is:

f(x)=3x2f(x) = -3x - 2

This is a linear function, meaning the graph of this function will be a straight line. Here's a breakdown:

  • Slope (m): The coefficient of xx is 3-3, which means the line has a slope of 3-3, indicating it falls as xx increases.
  • Y-intercept (b): The constant term is 2-2, which means the line crosses the y-axis at 2-2.

Steps to graph the function:

  1. Plot the y-intercept: Start at the point (0,2)(0, -2) on the graph.
  2. Use the slope: From (0,2)(0, -2), apply the slope 3-3. For every step 1 unit to the right (increasing xx), move 3 units down (because the slope is negative).

Would you like further details on how to draw the graph or explore specific characteristics of the function?

Here are five related questions to extend your understanding:

  1. How do we find the x-intercept of a linear function like this one?
  2. What is the general form of a linear equation?
  3. How does changing the slope affect the steepness of a line?
  4. How can we determine if two lines are parallel or perpendicular?
  5. What are the implications of a positive versus a negative slope?

Tip: The slope of a line tells you how steep it is—larger absolute values mean steeper lines!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Functions
Graphing

Formulas

y = mx + b (Slope-intercept form)

Theorems

Slope-Intercept Theorem

Suitable Grade Level

Grades 7-9