7th Math Review

Front

What is the formula to calculate the distance descended when moving from a height above sea level to below sea level?

Back

Distance = Starting Height - Ending Height

Front

How do you determine which product is a better buy when comparing prices?

Back

Calculate the unit price for each product and compare them.

Front

What is the solution to the equation 9n = -9?

Back

n = -1

Front

How do you solve the inequality -4x - 7 ≥ 21?

Back

Isolate x to find x ≤ -7.

Front

How do you convert a percentage to a fraction?

Back

Divide the percentage by 100 and simplify.

Front

What is the unit price of cookies at Walmart if 20 cookies cost $3.99?

Back

Unit price = $3.99 / 20 = $0.1995 per cookie.

Front

What is the unit price of cookies at Target if 36 cookies cost $5.99?

Back

Unit price = $5.99 / 36 = $0.1664 per cookie.

Front

What does it mean for a number to be below sea level?

Back

It means the number is less than zero in terms of elevation.

Front

What is the process for solving a linear equation?

Back

Isolate the variable on one side of the equation.

Front

What does the symbol '≥' mean in an inequality?

Back

It means 'greater than or equal to'.