Writing equations in slope intercept form
What is the formula for the Slope intercept form
Y=mx+b
What is the point-slope formula?
y-y1=m(x-x1)
Parallel lines must have the ___ slope.
Same
What letter represents slope?
m
If an equation is in standard form, and you need to put it into slope-intercept form, what is the conversions that you make in order?
Standard, Point-slope, slope-intercept form.
y-13=-4(x-7)
y=-4x+13
Write an equation of a line that passes through 3,3 and has a slope of 5.
y-3=5(x-3)
The slopes of perpendicular lines are ...
Opposite reciprocals.
Find the slope based on these two points.
(3,8) and (2,9)
-1
What is this equation in slope-intercept form?
4x+2y=4
y=-2x+2
What is the slope and y-intercept?
y=1/2x-3
1/2 and -3
Write an equation of a line in the point-slope form that passes through the point (4,-9) and has a y-intercept of 3.
y+9=-3(x-4)
True or false? The slope of a line perpendicular to a line with a slope of 7 is -1/7.
True
Find the slope.
14=m2+6
4
What is this line in point-slope form?
y=5x+3
y-8=5(x-1)
Write the following equation in slope-intercept form.
15x-2y=22
y=-15/2x -11
Given these two points on the same line, write the point-slope form equation.
(3,2) and (7,-10)
y+10=-3(x-7)
What is the slope of a line that is perpendicular to a line with a slope of -3/4?
-4/3
What is the slope of a line that passes through (1,5) and (-9,7)
-1/5
What is the formula for slope in standard form?
-a/b
Todd is an architect. He is sketching a house on graph paper. He is making a ramp that leads to the front door. The ramp starts at (0,5) and ends at (3,9).
Write the equation of the line that represents the ramp in slope-intercept form.
y=4/3x+5
Tommy is walking to Levains in NYC. NYC is like a graph. Walt is also walking to Levains but at a different location. They intersect at (7, 2). Walt's house is at (0,3). What is the equation of Walt's line in point-slope form?
y-2=-1/7(x-7)
When looking at Google Maps, Henry realized that Werimus and Woodcliff Ave are perpendicular to each other. If Woodcliff Ave has a slope of -1/10, what is the slope of Werimus?
-10
Walt's parents are mad at him so they make him walk to school. The school is 2 miles from his house. Walt gets to the school 19 minutes after he leaves his house. What is the slope of a line that graphs his time (y) and distance(x)?
19/2
John is making a track for his for a gravity-powered car. The equation for the track is y=-12x+24. If the track passed through the point (1,12) what is the equation in point-slope form?
y-12=12(x-1)