Chapter 7, Day 12 Warm Up

Front

How many terms does the expression 6a + 4b - 7 have?

Back

3

Front

If Ashley has c cookies for lunch, which expression shows how many cookies Iliana has for lunch if she has 3 times as many?

Back

3c

Front

Identify the variable in the expression 3x + 9.

Back

x

Front

Evaluate the expression 150r + 15 – 7r when r = 2.

Back

301

Front

Which phrase describes the expression 6y + 4?

Back

The product of 6 and y plus 4.

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value, often denoted by letters such as x, y, or z.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the coefficient in the expression 4x + 5?

Back

The coefficient is 4, which is the number multiplied by the variable x.

Front

What is the constant in the expression 3x + 7?

Back

The constant is 7, which is a fixed value that does not change.