Writing Algebraic Expressions (1-1)

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

How do you represent '8 less than the quotient of a number and 2' algebraically?

Back

The expression is (x/2) - 8.

Front

If you have 'more than' a certain number, how do you express this in algebra?

Back

You add the number to the variable. For example, if you have more than Austin's cards, it can be expressed as x + 15.

Front

How do you write '35 decreased by a number' as an algebraic expression?

Back

The expression is 35 - n.

Front

What does the expression '2a + 6' represent in words?

Back

It represents '6 more than the product of 2 times a'.

Front

How do you express 'the product of 7 and j increased by 3' algebraically?

Back

The expression is 3 + 7j.

Front

What is the difference between a variable and a constant in algebra?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value that does not change.

Front

What is the order of operations in algebra?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

How do you translate the phrase 'the sum of a number and 10' into an algebraic expression?

Back

The expression is x + 10.

Front

What does it mean to 'decrease' a number in algebraic terms?

Back

To decrease a number means to subtract a value from it.