Write three linear inequalities that are equivalent to
Answer to Problem 54HP
Explanation of Solution
Given:
The inequality equation:
Concept Used:
In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. It is used most often to compare two numbers on the number line by their size.
An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value. a ≠ b says that a is not equal to b. a < b says that a is less than b. a > b says that a is greater than b.
There are four different types of inequalities:
Greater than −
For Inequality equation: If
Rules for solving inequality equations:
These things do not affect the direction of the inequality:
- Add (or subtract) a number from both sides
- Multiply (or divide) both sides by a positive number
- Simplify a side
But these things do change the direction of the inequality ("
- Multiply (or divide) both sides by a negative number
- Swapping left and right hand sides
Calculation:
The three inequalities that are equivalent to
Checking each solution:
Steps | Explanation | |
A | Subtract 1 to both sides. Divide each side by 3 | |
B | Subtract 3 to both sides. Divide each side by 5 | |
C | Distribute to open the parenthesis Add 48 to both sides. Divide each side by 5 |
Thus, the three inequalities that are equivalent to
Chapter 5 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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