Math Problem Statement

The coordinates (0, A) and (B, 0) lie on the line 5x - 3y = 15. What are the values of A and B?

Solution

We are given two points on the line 5x3y=155x - 3y = 15: (0,A)(0, A) and (B,0)(B, 0). We need to find the values of AA and BB.

Step 1: Find AA (where x=0x = 0)

Substitute x=0x = 0 into the line equation:

5(0)3y=155(0) - 3y = 15 3y=15-3y = 15 y=5y = -5

So, A=5A = -5.

Step 2: Find BB (where y=0y = 0)

Substitute y=0y = 0 into the line equation:

5x3(0)=155x - 3(0) = 15 5x=155x = 15 x=3x = 3

So, B=3B = 3.

Conclusion:

  • A=5A = -5
  • B=3B = 3

Would you like further details or have any questions?


Here are 5 related questions for deeper exploration:

  1. How can we interpret the meaning of intercepts in a graph?
  2. What is the slope of the line 5x3y=155x - 3y = 15?
  3. How would you find the distance between the points (0,A)(0, A) and (B,0)(B, 0)?
  4. What would happen if the line equation were changed to 5x+3y=155x + 3y = 15?
  5. How does changing the coefficients in a linear equation affect the graph?

Tip: To find intercepts, substitute 0 for one variable at a time. This helps identify where the line crosses the axes.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Intercepts

Formulas

Equation of a line: ax + by = c
Solving for intercepts by substituting 0 for x or y

Theorems

Intercept Theorem

Suitable Grade Level

Grades 8-10