What is the slope of a horizontal line?
zero
For y = mx + b, what does the m and b stand for?
m = slope, b = y-intercept
Write the formula for point slope form
y-y1 = m(x - x1)
In the formula y = mx + b, what does the b represent?
y -intercept
The perpendicular slope to m = 3 is ____
-1/3
The formula for slope is m = ?
(y2-y1)/(x2-x1)
Write the equation for a line with a slope of -5 and passing through the point (0, -2)
y = -5x -2
Write the equation in point-slope form of the line with a slope of 2 and passes through the point (-4, 7)
y - 7 = 2(x + 4)
What is the y-intercept for the line x - y = 5
-5
Write the equation of the line parallel to y=-3x + 4 and passes through the point (0, 0)
y = -3x
Find the slope for (-6, 1) and (4, -4)
-1/2
A resort charges $15 per hour and a $25 deposit to rent a snowboard. How much does it cost to rent a snowboard from 11:00 am to 3:00 pm? Solve.
$85
Write the equation of the line that passes through (2, -1) and has a slope of -3
y = -3x + 5
What is the x intercept for y = 2x - 5
(5/2 , 0)
Are the two lines parallel, perpendicular, or neither
AB passes through (3,1) and (3,-4)
CD passes through (-4, 1) and (-4, 5)
parallel
What is the slope for the perpendicular line to y=7x + 2
-1/7
Write the equation 2x + 3y = 12 in slope-intercept form.
y = -2/3 x + 4
Convert the equation into slope-intercept form.
y - 4 = -2/3(x - 12)
y = -2/3x + 12
for the line x = -5, what is the y-intercept?
none, it never touches the y axis
Write an equation of a line that is parallel to the y-axis
x = any number
Find the slope for the equation x + 15 = 10
undefined, its a vertical line
Write the equation in standard form.
y - 5 = -2/5 (10x - 15)
4x + y = 1
What is the equation of the line in slope-intercept form that passes through the points (-4,3) and (2, -6)
y = -3/2x - 3
What are the x and y intercepts of 10x + 4y = -20
(-2, 0) and (0, -5)
Write the equation of the line that passes through (3, -1) is perpendicular to
y = -3x + 2
y = 1/3x - 2