Topic 2 Test Review One-Step Equations and Inequalities

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single step by performing the same operation on both sides to isolate the variable.

Front

What does the symbol '≤' mean in inequalities?

Back

The symbol '≤' means 'less than or equal to'. It indicates that the value on the left can be less than or equal to the value on the right.

Front

Back

To solve for j, subtract 8.9 from both sides: j = 12.8 - 8.9, so j = 3.9.

Front

What does the symbol '≥' mean in inequalities?

Back

The symbol '≥' means 'greater than or equal to'. It indicates that the value on the left can be greater than or equal to the value on the right.

Front

If Charlie has $650 and needs to buy a selfie stick for $80, how much can he spend on a GoPro?

Back

Charlie can spend at most $650 - $80 = $570 on the GoPro.

Front

What is the inequality that represents Mr. Foster ordering less than 36 rulers?

Back

The inequality is f < 36.

Front

How do you express that Shari can spend at most 40 minutes on homework if she has already spent 23 minutes?

Back

The inequality is s ≤ 17, where s is the time she can spend on science homework.

Front

Back

The solution indicates that x can be any number greater than 4.

Front

What does the symbol '<' mean in inequalities?

Back

The symbol '<' means 'less than'. It indicates that the value on the left is smaller than the value on the right.

Front

How do you represent the statement 'x is at least 4' in inequality form?

Back

The inequality is x ≥ 4.