Topic 4 Test

Front

What is the value of the expression 8a + 16c when a = −5 and c = −1?

Back

-56

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

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

Back

-20

Front

Which 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

Evaluate the expression 5m - 3n when m = 4 and n = -2.

Back

26

Front

What is the formula for calculating the total cost of multiple items based on their price per unit?

Back

Total Cost = Price per unit × Quantity

Front

What does the term 'variable' mean in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign, while an equation does.

Front

How do you combine like terms in an algebraic expression?

Back

Add or subtract the coefficients of the same variable.

Front

What is the distributive property in algebra?

Back

a(b + c) = ab + ac