math jeopardy

point-slope form

100

(7, 2) (2, 12) 

y-2=-2(x-7)

200

(-4, -1) (6,-7) 

y+1=-3/5(x+4) 

300

(5, 6) (10, -1) 

y-6= -17/5 (x-5) 

400

(3, 2) (5, 9) 

y-2= 7/2(x-3) 

solving for a variable

100

y= 2x+9 

x=8  

y= 25 

200

y= 3x-4 

y= 27 

x= 10

300

2x-3x=20

y= 6

x= 19 

400

4y=5x+2 

x=6

y=8 

solve for slope

100

(5, 6) (10, -1) 

-17/5

200

(3,2) (5,9) 

7/2 

300

(8, 2) (10, 9)

2

400

(7, 5) (13, 8)

2

slope-intercept form

100

slope: 3 y-intercept: -4

y=3x-4

200

slope: -1/7 

y-intercept: 3 5/7 

y= -1/7x +3 5/7

300

slope: 4

y-intercept: 8

y=4x+8

400

slope: 8

y-intercept: 9

y=8x+9