Equations & Inequalities TEST REVIEW-Math 7

Front

What is an expression that is NOT equal to -5?

Back

-4 + 9 is NOT equal to -5.

Front

How do you solve the equation x + 9 = -7?

Back

Subtract 9 from both sides to get x = -16.

Front

What does the inequality x ≤ 20 represent in a real-world context?

Back

It means you can spend no more than 20 dollars.

Front

How do you order the numbers -5, 0, -3, 5, -2, 4, 1 from least to greatest?

Back

The order is -5, -3, -2, 0, 1, 4, 5.

Front

What is the solution to the inequality x + 5 > 10?

Back

x > 5.

Front

What is the definition of an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater or less than another.

Front

How do you graph the inequality x < 3 on a number line?

Back

Draw an open circle at 3 and shade to the left.

Front

What is the solution to the equation 2x - 4 = 10?

Back

Add 4 to both sides, then divide by 2 to get x = 7.

Front

What does the term 'solution set' mean in the context of equations and inequalities?

Back

The solution set is the set of all values that satisfy the equation or inequality.