Topic 5.1

Front

Translate the expression into words: 5x - 2

Back

Five times a number minus two.

Front

What equation is used to find h, Abi's hourly earnings if she needs $80 for a class trip and already has $22?

Back

80 = 8h + 22

Front

Beth is 6 years younger than twice her brother's age. What is the expression for Beth's age?

Back

2b - 6

Front

If Alex feeds his turtle the same amount of food twice a day, how much food will he feed the turtle in a week?

Back

Front

Ethan buys balloons for $6.00 and gift bags for $5.15 each, spending a total of $72.95. What equation would you use to find x, the number of people invited?

Back

6.00 + 5.15x = 72.95

Front

Define a variable in a mathematical expression.

Back

A symbol used to represent an unknown value.

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

Explain the term 'constant' in mathematics.

Back

A fixed value that does not change.

Front

What does it mean to 'solve for x'?

Back

To find the value of the variable x that makes the equation true.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign, while an equation does.