Pre-Algebra - 1st Semester Final Exam

Front

What is the expression to calculate the total charge for a dish of ice cream with x toppings if the base price is $3.39 and each topping costs $0.59?

Back

The expression is 3.39 + 0.59x.

Front

How do you calculate the total earnings for Sheryl who earns $3 for each dog walked and $25 for each lawn mowed, if she walks w dogs and mows m lawns?

Back

The expression is 3w + 25m.

Front

What is the formula to calculate a player's score in horseshoes based on the number of ringers (r) and horseshoes closest to the stake (c)?

Back

The formula is 3r + c.

Front

What is the identity property of addition?

Back

The identity property of addition states that a + 0 = a for any number a.

Front

What is the identity property of multiplication?

Back

The identity property of multiplication states that a × 1 = a for any number a.

Front

What is the zero property of multiplication?

Back

The zero property of multiplication states that a × 0 = 0 for any number a.

Front

How do you solve the equation 7x - 3 = -31?

Back

Add 3 to both sides then divide both sides by 7.

Front

What is the expression for the total cost if a customer buys x items at a price of p each?

Back

The expression is xp.

Front

What is the formula for the area of a rectangle with length l and width w?

Back

The formula is A = lw.

Front

What is the formula for the perimeter of a rectangle with length l and width w?

Back

The formula is P = 2l + 2w.