Math Problem Statement

Does the point (1,8) satisfy the inquality y>2x+2?

Solution

To determine if the point (1,8)(1, 8) satisfies the inequality y>2x+2y > 2x + 2, we'll substitute the xx and yy values from the point into the inequality.

Given: y>2x+2y > 2x + 2

Substitute x=1x = 1 and y=8y = 8: 8>2(1)+28 > 2(1) + 2 8>2+28 > 2 + 2 8>48 > 4

Since 88 is indeed greater than 44, the point (1,8)(1, 8) satisfies the inequality y>2x+2y > 2x + 2.

Would you like more details or have any questions? Here are five related questions you might find interesting:

  1. What does the inequality y>2x+2y > 2x + 2 represent graphically?
  2. How would you determine if other points satisfy the inequality?
  3. What would the inequality be if the point (1,8)(1, 8) did not satisfy it?
  4. Can you explain how to solve inequalities like y>2x+2y > 2x + 2 algebraically?
  5. How does the line y=2x+2y = 2x + 2 relate to the inequality y>2x+2y > 2x + 2?

Tip: When checking if a point satisfies an inequality, simply substitute the point's coordinates into the inequality and see if the resulting statement is true.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Inequalities

Formulas

y > 2x + 2

Theorems

Substitution Principle

Suitable Grade Level

Grades 6-8