Year 9 Equations Pretest

Front

What is the equation to express the total cost if Mario bought a magazine for $4 and five books that cost the same amount, spending a total of $129?

Back

Front

How do you form an equation from the statement: 'If you multiply me by 5 and add 3, you get 38'?

Back

Front

What is the solution to the equation 6 - 3a = 21?

Back

Front

What is the solution to the equation 8(p + 4) = 32?

Back

Front

What is the solution to the equation x - 8 = 5?

Back

Front

Define a variable in an equation.

Back

A variable is a symbol (often x, y, or z) that represents an unknown value in an equation.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the first step in solving the equation 5x + 3 = 38?

Back

Front

What is the principle of balancing equations?

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 the solution to the equation 2x + 4 = 12?

Back