Unit 2 Review- Steps & Vocab (Equations & Inequalities)

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change. In the expression -5y + 4, the number 4 is a constant.

Tags

CCSS.6.EE.A.2B

Front

What is a variable in an expression?

Back

A variable is a symbol used to represent an unknown value. In the expression -5y + 4, 'y' is a variable.

Tags

CCSS.6.EE.A.2B

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable. In the expression -5y + 4, -5 is the coefficient of y.

Tags

CCSS.6.EE.A.2B

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, using an '=' sign. An expression does not have an '=' sign.

Front

Back

Tags

CCSS.8.EE.C.7A

Front

Back

Tags

CCSS.6.EE.A.2B

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Tags

CCSS.8.EE.C.7B

Front

What does it mean to solve an inequality?

Back

To solve an inequality means to find the value(s) of the variable(s) that make the inequality true.

Tags

CCSS.6.EE.B.8

Front

What happens to the inequality symbol when you multiply or divide by a negative number?

Back

The inequality symbol flips direction when you multiply or divide both sides by a negative number.

Tags

CCSS.6.EE.B.8

Front

Back

Tags

CCSS.7.EE.B.4A