Writing Inequalities and Equations Review

Front

What does it mean to be 'at least' a certain number?

Back

It means the value must be greater than or equal to that number. For example, 'at least 48 inches' means 48 inches or more.

Front

What does 'no more than' indicate in an inequality?

Back

It indicates that the value must be less than or equal to a certain number. For example, 'no more than 20 dollars' means 20 dollars or less.

Front

How do you write an inequality for 'fewer than 150'?

Back

You write it as c < 150.

Front

What is the equation for Scott's Automotive charge if Kylie was charged $63?

Back

The equation is 7x + 35 = 63.

Front

How do you represent the total cost of a bowling league with a fixed cost and a variable cost?

Back

You write it as a linear equation, for example, 12x + 45 = 117.

Front

What is the difference between 'greater than' and 'greater than or equal to'?

Back

'Greater than' (>) means the value is strictly more, while 'greater than or equal to' (≥) includes the value itself.

Front

What does 'less than' mean in an inequality?

Back

It means the value is strictly below a certain number. For example, x < 10 means x can be any number less than 10.

Front

How do you express 'at most' in an inequality?

Back

You express it as 'less than or equal to' (≤). For example, 'at most 50' means x ≤ 50.

Front

What is the standard form of a linear equation?

Back

The standard form is Ax + By = C, where A, B, and C are integers.

Front

How do you solve for x in the equation 7x + 35 = 63?

Back

Subtract 35 from both sides to get 7x = 28, then divide by 7 to find x = 4.