Unit 2 Review Equations, Inequalities

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

Tags

CCSS.6.EE.B.8

Front

How do you solve a linear equation?

Back

To solve a linear equation, isolate the variable on one side of the equation using inverse operations.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to isolate a variable?

Back

Isolating a variable means rearranging an equation so that the variable is on one side and all other terms are on the opposite side.

Tags

CCSS.HSA.CED.A.4

Front

What is the solution to the equation 9x - 7 = 5x + 5?

Back

The solution is x = 3.

Front

What is the solution to the equation 2x - 28 = -7x + 8?

Back

The solution is x = 4.

Front

What is the solution to the equation -5x - 9 = -2x + 6?

Back

The solution is x = -5.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation or expression.

Tags

CCSS.6.EE.A.2B

Front

What is a constant in mathematics?

Back

A constant is a fixed value that does not change.

Tags

CCSS.6.EE.A.2B

Front

What is the purpose of solving inequalities?

Back

The purpose of solving inequalities is to find the range of values that satisfy the inequality condition.

Tags

CCSS.6.EE.B.8