JK Midterm Review

Systems of Equations

100

4x+8y= 80

-4x+2y= -30

(7,1)

200

-6x+6y= 6

-6x+ -3y= -12

(5,6)

300

-4x - 2y= -12

4x + 8y= -24

(6,-6)

400

-3x + 7y= -16

-9x + 5y= 16

(-4,-4)

500

-5x+y=9

10x-7y=-18

(1,4)

Linear Equations

100

|2x+10| +5>15

x>0 or x< -10

200

What is the slope int. of y= -12x+4

b= -12

m= 4

300

What is the slope int. of y= -3x+9

b= -3

m=9

400

What is the slope int. of y= 7x+1

b= 7

m=1

500

What is the slope int. of y=-2x+1

b=1 

m= -2

Parent Functions and Quadratics

100

g(x)= x-2

Parent: linear

transformation: down 2

200

f(x)= |x+5|-2

Parent: Absolute Value

Transformation: down 2 left 5

300

h(x)= sqr of x+2-5

parent: square root

transformation: down 5 left 2

400

h(x)= x²+1

parent: quadratic

transformation: up 1

500

g(x)= x²-6 

Parent: x²

transformation: x²- 6

Factoring

100

3p²-2p-5

(3p-5)(p+1)

200

2n²+3n-9

(2n-3)(n+3)

300

2n²+5n+2

(2n+1)(n+2)

400

5n+19n+12

(5n+4)(n+3)

500

9k²+66k+21

3(3k+1)(k+7)