Equation Review (For Thornton SCA #2)

Front

What is the formula for the volume of a pyramid?

Back

Front

Back

Front

Back

This equation represents a relationship where P is equal to four times S.

Front

Back

Front

What is the error in the equation if you add 2x to 3x?

Back

The error is that adding 2x to 3x is incorrect; it should be combined as 5x.

Front

What is the solution to the equation 4x + 7 = 23?

Back

The solution is x = 4.

Front

How do you solve the equation 7k - 14 = 42?

Back

Add 14 to both sides to get 7k = 56, then divide by 7 to find k = 8.

Front

What is the first step to isolate x in the equation 4x + 7 = 23?

Back

Subtract 7 from both sides to isolate the term with x.

Front

What is the principle of balancing equations in algebra?

Back

The principle states that whatever you do to one side of the equation, you must do to the other side to maintain equality.

Front

What is a variable in an equation?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.