1.2 Equations and Inequality Flashcard Review- ALG 1

Front

What does the symbol '≤' represent in inequalities?

Back

The symbol '≤' means 'less than or equal to'. It indicates that a value can be less than or equal to a specified number.

Front

What does the symbol '>' represent in inequalities?

Back

The symbol '>' means 'greater than'. It indicates that a value is strictly greater than a specified number.

Front

How do you represent the inequality 'x is less than 2' on a number line?

Back

You would use an open dot at 2 and shade to the left, indicating all numbers less than 2.

Front

What is the solution to the equation -12(x - 1) = -3(x - 1)?

Back

The solution is x = 1.

Front

When graphing an inequality, when do you use an open dot?

Back

You use an open dot when the inequality symbol is '<' or '>'.

Front

What is the solution to the equation -10x - 135 = 117 + 2x?

Back

The solution is x = -21.

Front

What is the cost equation for the Frederick County Fair if you go on x rides?

Back

The cost equation is 15 + 2.5x.

Front

What is the cost equation for the Montgomery County Fair if you go on x rides?

Back

The cost equation is 10 + 3x.

Front

How do you find the number of rides for both fairs to be of equal value?

Back

Set the two cost equations equal to each other: 15 + 2.5x = 10 + 3x.

Front

What does the symbol '<' represent in inequalities?

Back

The symbol '<' means 'less than'. It indicates that a value is strictly less than a specified number.