Algebra 1 warm up 12/17 & 12/18

Front

What do the variables m and b represent in the formula y=mx+b?

Back

m = slope, b = y intercept.

Front

What is the equation of a line perpendicular to the line described by y=-5x-6?

Back

y = \frac{1}{5}x + 5

Front

What is the equation of a line that is perpendicular to y = 3x + 2 and goes through the point (3, -4)?

Back

y = -\frac{1}{3}x - 3

Front

Write the equation 3x - y = -1 in slope-intercept form.

Back

y = 3x + 1

Front

What is the equation of a line parallel to y = -4x + 6 that passes through the point (2, -1)?

Back

y = -4x + 7

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

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

Front

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

Back

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

Front

What is the y-intercept of the line y = 2x + 3?

Back

The y-intercept is 3.

Front

How do you determine if two lines are parallel?

Back

Two lines are parallel if they have the same slope.