Equations and Inequalities

Front

What is an equation?

Back

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

Tags

CCSS.6.EE.A.2C

Front

What is an inequality?

Back

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

Tags

CCSS.6.EE.B.8

Front

Solve for x: 2x + 5 = 15

Back

x = 5

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 4x - 7 = 9

Back

x = 4

Tags

CCSS.7.EE.B.4A

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Tags

CCSS.7.EE.B.4A

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.

Tags

CCSS.6.EE.B.8

Front

Solve for x: x - 4 < 2

Back

x < 6

Tags

CCSS.7.EE.B.4B

Front

What is the solution set of an inequality?

Back

The solution set of an inequality is the set of all values that satisfy the inequality.

Front

Solve for x: 5x + 3 = 18

Back

x = 3

Tags

CCSS.7.EE.B.4A

Front

What does 'x ≤ 10' mean?

Back

It means that x can be any number less than or equal to 10.