Math Problem Statement

What’s my answer

What’s my answer?

Solution

To solve this, we need to match the points of intersection (X, W, Y, Z) with the system of equations provided.

Analysis of Points:

  • Point X: This point appears to be at (1, 2) on the graph.
  • Point W: This point appears to be at (-3, -2).
  • Point Y: This point appears to be at (3, 4).
  • Point Z: This point appears to be at (-2, -3).

Equations:

  • y = x + 4: This equation has a slope of 1, so the line increases gradually. The y-intercept is 4.
  • y = -x + 2: This equation has a slope of -1, so the line decreases gradually. The y-intercept is 2.
  • y = -2x - 3: This equation has a slope of -2, meaning it decreases faster than the previous one. The y-intercept is -3.
  • y = 2x - 1: This equation has a slope of 2, meaning the line increases at a steep rate. The y-intercept is -1.

Matching the Points with Equations:

  • Point X (1, 2) is likely at the intersection of the equation y = x + 4 and y = -x + 2, as both of these lines meet at (1, 2).
  • Point W (-3, -2) could be at the intersection of y = -2x - 3 and y = 2x - 1, since these lines seem to cross at (-3, -2).
  • Point Y (3, 4) matches the intersection of y = x + 4 and y = -x + 2, which crosses at (3, 4).
  • Point Z (-2, -3) seems to match with y = -2x - 3 and y = x + 4, which intersects at (-2, -3).

Solution:

  • X: y = x + 4 and y = -x + 2
  • W: y = -2x - 3 and y = 2x - 1
  • Y: y = -2x - 3 and y = x + 4
  • Z: y = -x + 2 and y = 2x - 1

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Math Problem Analysis

Mathematical Concepts

Systems of Equations
Graphing
Linear Equations

Formulas

y = mx + b

Theorems

Intersection of Lines
Graphing Linear Equations

Suitable Grade Level

Grades 7-9