Linear Functions Review

Slope Intercept Form

100

Write the equation in slope-intercept form

slope: -3

initial value: 9

y= -3x+9

200

Write the equation in slope-intercept form

slope: 3/4

initial value: 10

y= (3/4)x+10

300

Write the equation in slope-intercept form

slope: 9

initial value: 0

y=9x

400

Write the equation in slope-intercept form

slope: 0

initial value: 7

y=0x+7 or y=7

500

Write the equation in slope-intercept form

initial value: 7

slope: 6

y=6x+7

Tables

100

Find the slope

x    y

0   3

1   6

2   9

3   12

3

200

Find the slope

x    y

0   21

1   16

2   11

3   6

-5

300

Find the slope

x    y

0   3

2   6

4   9

6   12

3/2

400

Find the slope

x    y

0   4

6   9

12   14

18   19

(5/6)

500

Find the slope

x    y

0   19

3   17

6   15

9   13

(-2/3)

Word Problems

100

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

200

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

300

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

400

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

500

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

Equations

100

Create a table for y=3x+1

x     y

__  __

__  __

__  __

__  __

x     y

0     1   

1     4

2    7

3    11

200

Create a table for y=-2x+13

x     y

__  __

__  __

__  __

__  __

x     y

0     13  

1     11

2    9

3    7

300

Create a table for y=(1/4)x+3

x     y

__  __

__  __

__  __

__  __

x     y

0     3   

4     4

8    5

12    6

400

Create a table for y=(2/3)x+4

x     y

__  __

__  __

__  __

__  __

x     y

0     4   

3     6

6     8

9    10

500

Create a table for y= -2/3x+20

x     y

__  __

__  __

__  __

__  __

x     y

0     20   

3     18

6    16

9    14

Random

100

Create a slope intercept equation

x    y

0   3

2   6

4   9

6   12

y= (3/2)x+3

200

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

300

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

400

What are the key components of slope intercept form? Describe them 

y=mx+b

m= slope

b= y-intercept 

500

What is spring’s favorite type of pickles?

Daffo-dills!