Writing Linear Equations

Front

What is the y-intercept of the line 4x + 2y = 8?

Back

(0, 2)

Front

What is the slope in the equation y=2x + 3?

Back

2

Front

Why are lines straight?

Back

Constant rate of change

Front

What is the slope of a line perpendicular to the line y = 3x - 4?

Back

m = -1/3

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x.

Front

How do you find the slope from two points (x1, y1) and (x2, y2)?

Back

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

Front

What is the standard form of a linear equation?

Back

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

Front

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

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you convert the equation 2y = 4x + 8 to slope-intercept form?

Back

y = 2x + 4

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.