Ladaimien & Jeremy

Systems of Equations

100

using substitution x+y=5

y=6x-2

(1,4)

200

using subtitution find the equation x+y=12

x=2y+2

(6,6)

300

using elimination find the equation 

x+y=3

x-y=10

(10,7)

400

using elimination find the equation 

4x+y=12

8x-y=24

(3,0)

500

using elimination find the equation

x+5=20

-x+20y=30

(10,2)

Linear Equations

100

what is the formula for slope-intercept form

y=mx+b

200

parallel to y=5x-6 through (1,6)

y=3x+3

300

perpendicular to y=-3x-7 through (7,-3)

y=-3x-18

400

using slope-intercept form, find the equation 1/3 and y-intercept in (0,-5)

y=1/3x-5

500

using point-slope form, find the equation of m=1/3, (-6,8)

y=1/2x+11

Parent functions and Quadratics

100

What is the formula?

f(x)=x

200

reflects across the y-axis

f(x)=-|x|

300

reflects across the x-axis

f(x)=|x|

400

reflects across the y-axis and translates down 5 units

f(x)=|x|-5

500

reflects across the x-axis and translates up 7 units 

f(x)=-|x|+7

Factoring

100

What is the formula for D.O.T.S

a²-b²=(a+b)(a-b)

200

x²-25

(x+5)(x-5)

300

x²+15x+56

(x+8)(x+7)

400

4x²+28x+48

4(x+3)(x+4)

500

x²+25

Unfactorable