Algebra 1 Final Exam (Semester 1) 2024-2025

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is the median of a set of numbers?

Back

The median is the middle value in a set of numbers when they are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

How does a low score affect the mean of a set of grades?

Back

A low score decreases the mean because it lowers the overall average when included in the total.

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables. Solutions to the system are the values that satisfy all equations simultaneously.

Front

How do you find the y-intercept of a function?

Back

The y-intercept is found by setting x = 0 in the function and solving for y.

Front

What does the equation 6x - 5y = 15 represent?

Back

This equation represents a linear relationship between x and y, which can be graphed as a straight line.

Front

What is the formula for calculating the total cost from ticket sales?

Back

Total cost = (number of student tickets × price per student ticket) + (number of adult tickets × price per adult ticket).

Front

What is the significance of the coefficients in a linear equation?

Back

Coefficients represent the rate of change of the dependent variable with respect to the independent variable in a linear equation.

Front

What is the difference between independent and dependent variables?

Back

The independent variable is the one that is changed or controlled in an experiment, while the dependent variable is the one that is measured or affected.

Front

How do you solve for a variable in an equation?

Back

To solve for a variable, isolate it on one side of the equation using inverse operations.