Dec 10 HW - Algebra 1 Chapter 1/2 Review

Front

What is the word phrase for 'x - 5'?

Back

The difference of a number x and 5.

Front

Is the ordered pair (0, 3) a solution to the equation x = 2y - 6?

Back

Yes.

Front

Write an algebraic expression for 'the sum of z and 2'.

Back

z + 2.

Front

Evaluate the expression -2a + 4b for a = 3 and b = 0.

Back

-6.

Front

Solve and graph the inequality: 7n - 1 > 76.

Back

n > 11.

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

Front

Define a variable in algebra.

Back

A symbol, usually a letter, that represents one or more numbers.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting numbers for variables.

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

What is the solution set of an inequality?

Back

The set of all values that make the inequality true.