Semester 1 Review Part 2

Front

Which expression is equivalent to (25m+15m) + 18m?

Back

25m + (15m + 18m)

Front

What are dependent quantities in a table?

Back

Dependent quantities are values that depend on other values, often represented as outputs in a function.

Front

What is the value of C if the options are 80, 24, 96, 92?

Back

96

Front

If a main character is on stage 40% of a 90-minute play, how much time do they spend on stage?

Back

36 minutes

Front

What equation can be used to find the total weight T of a construction worker weighing p pounds and a tool belt weighing 10 pounds?

Back

T = p + 10

Front

What is the formula for finding the area of a rectangle?

Back

Area = length x width

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent a number that can change.

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio.

Front

What is the formula for calculating the percentage of a number?

Back

Percentage = (part/whole) x 100

Front

What is the definition of an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators without an equality sign.