Formative Assessment: Two-step Equation and Inequality

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone.

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is larger or smaller than the other.

Front

How do you graph an inequality on a number line?

Back

To graph an inequality, use an open circle for '>' or '<' and a closed circle for '≥' or '≤', then shade in the direction of the inequality.

Front

What is the first step to solve the inequality 2x + 6 ≥ -8?

Back

Subtract 6 from both sides to isolate the term with the variable.

Front

What is the solution to the inequality 2x + 6 ≥ -8?

Back

x ≥ -7.

Front

How do you write an equation from a word problem?

Back

Identify the quantities involved, assign variables, and translate the relationships into an equation.

Front

What does 'd = 18.5' represent in a problem?

Back

It represents the solution to the equation or inequality being solved.

Front

What is the meaning of 'more than' in an inequality?

Back

'More than' indicates that the value is greater than a certain number, represented by '>'.