Algebra 1 Unit 4 Practice for Test

Front

What does 'b' represent in the equation y=mx+b?

Back

y-intercept

Front

In the equation y=mx+b, what does 'm' represent?

Back

slope

Front

What is the y-intercept of the line represented by the equation y=mx+b?

Back

The point where the line crosses the y-axis.

Front

What is the slope of a line?

Back

The ratio of the rise (change in y) to the run (change in x) between two points on the line.

Front

How do you find the y-intercept from an equation?

Back

Set x=0 and solve for y.

Front

What is the zero of a function?

Back

The value of x where the function equals zero.

Front

How do you determine the zero(s) of a linear equation?

Back

Set the equation equal to zero and solve for x.

Front

What does the graph of a linear equation look like?

Back

A straight line.

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are constants.

Front

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

Back

y - y_1 = m(x - x_1), where m is the slope and (x_1, y_1) is a point on the line.