Algebra I Linear Equations Review

Front

What is the slope of a horizontal line?

Back

0

Front

How do you find the x-intercept of a linear equation?

Back

Set y = 0 and solve for x.

Front

What does it mean if two linear equations have infinitely many solutions?

Back

The equations represent the same line.

Front

What is the x-intercept of the equation 3x + 8y = 24?

Back

(8, 0)

Front

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

Back

It represents the rate of change of y with respect to x.

Front

How many solutions does the equation -1/2(4x + 2) = -2x + 2 have?

Back

No Solution

Front

What is the x-intercept of the line represented by the equation y = 2x + 2?

Back

(-1, 0)

Front

What does a slope of -2 indicate about a line?

Back

The line decreases by 2 units in y for every 1 unit increase in x.

Front

How do you determine if two lines are parallel?

Back

If they have the same slope but different y-intercepts.

Front

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

Back

m = (y2 - y1) / (x2 - x1)