Mid term - Karina

Systems of Equation

100

6x+3y=12

5x- 2y=13

(6,8) 

200

y=4x+3

y=-x-2

(-1,-1) 

300

x+3y=15

4x+24y=-12 

(-11,8.3)

400

x+3y=16

5x-8y=-12 

(4,4)

500

y= -4x+4 

y= -4x-4

no solution (same slope) 

Linear Equation

100

6x+10=16

x=1

200

4j+14=42

j=7 

300

9c+19=1

c=-2

400

3k+2=14

k=4

500

2x+8=22 

x=7

Quadratics and parent function

100

what is the formula for a linear equation?

y=x

200

what is formula for a quadratic? 

y=x²

300

what is formula for a square root equation?

y=sqrx

400

what is formula for an absolute value equation? 

y=|x|

500

the vertical line that separates the graph of a quadratic function into two halves that are reflection of other. 

axis of symmetry 

Factoring

100

2x^2+9x-5

(2x-1) 

(x+5)

200

x²+3x=2

(x+1)

(x+2)

300

6x^2+15x-21 

3(x-1) 

(2x+7)

400

6x^2-11x+3

(2x-3) (3x-1) 

500

6x³+48x+72

(6x+12)

(x+6)