Algebra 1 STAAR Category 1 Review

Front

What does it mean when a variable directly varies or is directly proportional?

Back

Front

What is the standard form of a linear equation?

Back

Front

How do you find the slope of a line?

Back

Front

What does HOY stand for in relation to horizontal lines?

Back

Front

What does it mean to evaluate a function at a specific value, such as f(-5)?

Back

It means to substitute the value -5 into the function in place of x.

Front

What is the relationship between slope and rate of change?

Back

The slope of a line represents the rate of change between the x and y variables.

Front

How can you create a linear equation from a set of data points?

Back

You can create a linear equation by finding the slope and y-intercept from the data points or using a List & Spreadsheet tool.

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, indicating the value of y when x = 0.

Front

What does it mean for a line to be vertical?

Back

Front

What is the formula for finding the slope between two points (x1, y1) and (x2, y2)?

Back