Slope Intercept Form
Write the equation in slope-intercept form
slope: -3
initial value: 9
y= -3x+9
Find the slope
x y
0 3
1 6
2 9
3 12
3
Damian has $157 in his checking account and earns $120 per week at his part time job. Assume he has no expenses currently.
(1) Write an equation to show the total amount in his account, y, after x weeks.
(2) How much does he have after 8 weeks?
y=120x+150
$1110
Create a table for y=3x+1
x y
__ __
__ __
__ __
__ __
x y
0 1
1 4
2 7
3 11
Create a slope intercept equation
x y
0 3
2 6
4 9
6 12
y= (3/2)x+3
Write the equation in slope-intercept form
slope: 3/4
initial value: 10
y= (3/4)x+10
Find the slope
x y
0 21
1 16
2 11
3 6
-5
Gimena has $650 in her account and uses their debit card to take out $40 cash each week. Their card has a $5 ATM fee.
(1) Write an equation to express their balance, y, after x weeks
(2) What will their balance be after 8 weeks?
y= -45x+650
290
Create a table for y=-2x+13
x y
__ __
__ __
__ __
__ __
x y
0 13
1 11
2 9
3 7
Finish the lyric:
No more hiding, I'll be shinin' like I'm born to be
"Cause we are hunters, voices strong, and I know I believe. ______________________________________________________________________________________"
We're goin' up, up, up, it's our moment
You know together we're glowin'
Gonna be, gonna be golden
Write the equation in slope-intercept form
slope: 9
initial value: 0
y=9x
Find the slope
x y
0 3
2 6
4 9
6 12
3/2
Carlos has 9 chickens in his coop. Every month, he buys 2 new chickens.
(1) Write an equation to express the number of chickens, y, after x months
(2) How many chickens will Carlos have after 6 months?
y=2x+9
21
Create a table for y=(1/4)x+3
x y
__ __
__ __
__ __
__ __
x y
0 3
4 4
8 5
12 6
Mrs. Bersofsky drives her son to baseball every single day. She drives a total of 60 miles each day.
(1) Write an equation to express the number of miles, y, after x days
(2) How many miles will Mrs. Bersofsky drive after 9 days?
y=60x
540
Write the equation in slope-intercept form
slope: 0
initial value: 7
y=0x+7 or y=7
Find the slope
x y
0 4
6 9
12 14
18 19
(5/6)
Sabino has $500 in his bank account. He uses his debit card to take $20 cash each week. His card has a $9 ATM fee.
(1) Write an equation to express his balance, y, after x weeks
(2) What will their balance be after 7 weeks?
y=-29x+500
297
Create a table for y=(2/3)x+4
x y
__ __
__ __
__ __
__ __
x y
0 4
3 6
6 8
9 10
What are the key components of slope intercept form? Describe them
y=mx+b
m= slope
b= y-intercept
Write the equation in slope-intercept form
initial value: 7
slope: 6
y=6x+7
Find the slope
x y
0 19
3 17
6 15
9 13
(-2/3)
Ms. Kieu collects phones every single day. She collects 40 phones each day. (on Sunday, she collects 0 phones)
(1) Write an equation to express how many phones y, after x days
(2) How many phones will Ms. Q have on Friday?
y= 40x
200
Create a table for y= -2/3x+20
x y
__ __
__ __
__ __
__ __
x y
0 20
3 18
6 16
9 14
What is spring’s favorite type of pickles?
Daffo-dills!