Algebra 1 STAAR Category 1 Review

Front

What does f(-5) mean in a function f(x)?

Back

It means to substitute x with -5 in the function.

Front

What does HOY stand for in relation to horizontal lines?

Back

HOY stands for Horizontal lines have Zero slopes, and their equations are written as Y = #.

Front

What is the meaning of X-INTERCEPT?

Back

X-INTERCEPT is where the graph crosses the x-axis.

Front

What is the meaning of Y-INTERCEPT?

Back

Y-INTERCEPT is where the graph crosses the y-axis.

Front

How can you find solutions to an equation using a calculator?

Back

Use MENU 3,1 on the calculator.

Front

What is a key requirement for a table to represent a function?

Back

The X values cannot repeat.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is zero.

Front

What is the general form of a linear equation?

Back

The general form is Y = mx + b, where m is the slope and b is the y-intercept.

Front

What does it mean for a function to be one-to-one?

Back

A function is one-to-one if each output is produced by exactly one input.

Front

What is the difference between a function and a relation?

Back

A function is a specific type of relation where each input has exactly one output.