TSI (Pre/Elem Alg.) Pre-assessment

Front

What is the formula for calculating the height (h) of a triangle given its area (A) and base (b)?

Back

h = 2A/b

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, calculated as the rise over run between two points on the line.

Front

How do you determine if two lines are parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.

Front

How do you determine if two lines are perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

What is the commission formula for calculating total earnings based on sales?

Back

Total Earnings = Base Salary + (Commission Rate * Sales)

Front

If a car rental company charges a daily rate plus a per-mile fee, how do you calculate the total cost?

Back

Total Cost = Daily Rate + (Per-Mile Fee * Number of Miles Driven)

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What is the significance of the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, representing the value of y when x = 0.

Front

How do you solve for x in a linear equation?

Back

Isolate x on one side of the equation using inverse operations.

Front

What does it mean for a function to be linear?

Back

A linear function is a function that graphs to a straight line, characterized by a constant rate of change.