Review, chapter 1-3

Front

What is the formula for slope?

Back

Slope = rise/run

Front

What does 'm' represent in the slope formula?

Back

m represents slope.

Front

What is the first step to simplify the expression (4 - 2) x 9 + 7?

Back

The first step is to perform the subtraction: 4 - 2.

Front

Evaluate 2a + 4b if a = 10 and b = 6.

Back

44

Front

Evaluate 24 - 4t for t = 4.

Back

8

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent a number that can change.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of 'x' in the equation 3x + 5 = 14?

Back

x = 3.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.