Math Problem Statement

Which equation has the steepest graph?

Solution

To find the equation with the steepest graph, we need to examine the slope of each linear equation. In the form y=mx+by = mx + b, the slope of the line is given by mm. The larger the absolute value of mm, the steeper the line.

The equations provided are:

  • A:y=14x+1A: y = -14x + 1 → Slope = -14
  • B:y=34x9B: y = \frac{3}{4}x - 9 → Slope = 34\frac{3}{4}
  • C:y=2x+8C: y = 2x + 8 → Slope = 2
  • D:y=10x5D: y = 10x - 5 → Slope = 10

Among these, the largest absolute value of the slope is 14 (from Ay=14x+1A \: y = -14x + 1), which means that equation A has the steepest graph.

The correct answer is A.

Would you like more details on slope and graph steepness? Here are five related questions to think about:

  1. How does the slope of a line affect the angle it makes with the x-axis?
  2. What is the graphical interpretation of a negative slope?
  3. How would the graph change if the slope was a fraction like 12\frac{1}{2}?
  4. How can you tell if two lines are parallel based on their slopes?
  5. What is the difference between steepness and the y-intercept in a graph?

Tip: The greater the absolute value of the slope, the steeper the line. The sign of the slope only tells you the direction (positive slope rises, negative slope falls).

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Slopes
Graph Steepness

Formulas

Slope formula in linear equations: y = mx + b (where m is the slope)

Theorems

Steepness of a line is determined by the absolute value of the slope

Suitable Grade Level

Grades 8-10