5-9 Unit 5 Test Review

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

What does the symbol '≤' mean?

Back

The symbol '≤' means 'less than or equal to'.

Front

Solve for x: x + 9 = 21

Back

x = 12

Front

What is the solution to the inequality 25x ≤ 100 when x = 4?

Back

True, because 25(4) = 100, which satisfies the inequality.

Front

What is the value of x in the equation -90 = -100 + x?

Back

x = 10

Front

What does the inequality 26 > n + 15 represent?

Back

It represents that n must be less than 11.

Front

Which set of numbers can satisfy the inequality 26 > n + 15?

Back

The set {2, 8, 10} can satisfy this inequality.

Front

What is the first step to solve the equation x - 5 = 10?

Back

Add 5 to both sides to isolate x.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'.

Front

If x = 4, what is the value of 25x?

Back

25x = 100.