Swoon End of Session Review

One variable

100

2x = 16 

X = 8

200

5x = x - 16

X = -4

300

3x + 5 = 7x - 4

X = 9/4

Two variable

100

4x = y - 6 solve for y 

Y = 4x + 6

200

2 x+ y= 12 solve for x

X= 6 - y/2

300

2 (x +3y) = 5y-x

X = y

Transformations

100

A (2, 3) ⇒ A' ( x+5, y-6)

A' (7, -3) 

200

A( 5,2) ⇒ A' ( - X + 4,  -y - 10) 

(-9, 8)

300

A (-5,5) ⇒ A' ( 2 x+2, -2y +2)

A' ( -6,-8)

Rotations

100

Rotate Point (4 ,-3) by 90 degrees

(3,4) 

200

Rotate point (7,-5) by 90 and 180 degrees 

(5,7) and (-7,5)

300

Rotate point (-4,3) by 90, 180 , 270 degrees 

( -3,-4)  (4,-3) (3 , 4)

Other

100

find the area of shape 1 

475

200

find the area and perimeter of shape 4 

120 - 52

300

find the area and perimeter of shape 7

33 - 34