Pre-Algebra Midterm Review

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) * 100

Front

Evaluate the expression 8a - b if a = 10 and b = 6.

Back

74

Front

What does a positive linear association in a scatter plot indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative association in a scatter plot indicate?

Back

As one variable increases, the other variable decreases.

Front

What is a nonlinear association in a scatter plot?

Back

A relationship between variables that does not form a straight line.

Front

Back

x = 12

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

If Rocky's Canoe Rental charges a flat fee of $25 and $30 per hour, what is the equation representing this situation?

Back

y = 30x + 25

Front

What is the meaning of the term 'variable' in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not.