Math Problem Statement

y<5/2x-3. y≥−x+4. State the coordinates of a point in the solution set.

Solution

To find a point in the solution set of the system of inequalities, we follow these steps:

1. Graph the inequalities:

  • y<52x3y < \frac{5}{2}x - 3:
    This is a linear inequality with a slope of 52\frac{5}{2} and a y-intercept at (0,3)(0, -3). The region below the line y=52x3y = \frac{5}{2}x - 3 is shaded because yy is strictly less than 52x3\frac{5}{2}x - 3.

  • yx+4y \geq -x + 4:
    This is a linear inequality with a slope of 1-1 and a y-intercept at (0,4)(0, 4). The region above or on the line y=x+4y = -x + 4 is shaded because yy is greater than or equal to x+4-x + 4.

2. Identify the solution set:

The solution set is the region where both conditions are satisfied simultaneously.

3. Test a point:

To identify a point in the solution set, choose a point in the overlapping region. For example:

  • Consider (0,2)(0, 2):
    • For y<52x3y < \frac{5}{2}x - 3: Substitute x=0,y=2x = 0, y = 2: 2<52(0)3    2<3(False).2 < \frac{5}{2}(0) - 3 \implies 2 < -3 \quad \text{(False)}. This point doesn't work; try another point in the region;}Let’s test another point from finding an evaliquant helpful!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Inequalities
Graphing

Formulas

Slope-intercept form: y = mx + b

Theorems

Concept of solution sets for systems of inequalities

Suitable Grade Level

Grades 8-10