Topic 4 Reteach

Front

What is the value of the expression: −4b + 8c + 12 when b = 2 and c = −3?

Back

-20

Front

What is the total number of ice cream cones sold if 8x + 16 were sold on Saturday and 7x - 9 were sold on Sunday?

Back

15x + 7

Front

Factor the expression using the GCF: (8a + 16c)

Back

8(a + 2c)

Front

What expression represents the total price of g pounds of grapes, b pounds of bananas, and p pounds of pears if grapes cost $2.19 per pound, bananas $0.59, and pears $1.49?

Back

2.19g + 0.59b + 1.49p

Front

What is the GCF of the terms 8a and 16c?

Back

8

Front

How do you evaluate an expression with variables?

Back

Substitute the values of the variables into the expression and perform the operations.

Front

What is the process of factoring an expression?

Back

Finding the GCF and rewriting the expression as a product of its factors.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms and performing operations.

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operations without an equality sign.