What is the equation to find slope from 2 points?
y2-y1/x2-x1
Write an equation in slope-intercept form: (5, -1); slope = 1/5
What is y = 1/5x - 2?
What is point slope form?
y-y1=m(x-x1)
Graph y = -4/5x + 3.
Check student whiteboards for (5,-1) and (0,3).
What does y-intercept mean?
Where the graph crosses the y-axis
Write an equation in slope-intercept form: (5,2); slope = 2
What is y = 2x - 8?
Write equation in point slope form
(-4, 3) m=5/2
y-3=5/2(x+4)
Graph y = 2x - 1.
Check student whiteboards for (0,-2), (1,1), (2,2), or (-1, -3).
DAILY DOUBLE
How many days of school left until summer (not including today)
20 Days!
Write an equation in slope-intercept form: (0, 7) and (-2, 8)
What is y = -1/2 x + 7?
What is the point and slope
y+1=3(x-6)
(6, -1) m=3
y-6=2(x+2)
(-2, 6) slope 2/1
Why is a point like this (0,-1) useful for slope-intercept form?
It is the y-intercept so you don't have to solve for b
Write an equation in slope-intercept form: (-1, 1) and (-4,4)
What is y = -1x or -x?
Write point slope form
(-1, 5) and (2, 11)
y-5=2(x+1)
y-11=2(x-2)
Write equation in slope-intercept form
y=-2/3x-2
Maya starts with $40 in her savings account and adds $5 each week. Write an equation in slope-intercept form to represent the amount of money y she has after x weeks. Then calculate the amount of money she has after 10 weeks.
y=5x+40
$90
Write an equation in slope-intercept form:f(3)=7 and f(-3)=3?
What is y = 2/3x + 5?
(-2, -3) (-5, -7)
y+3=4/3(x+2)
y+7=4/3(x+5)
Write equation in point slope form

y-3=3/2(x-0)
y-6=3/2(x-2)