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Module 7

100

y = 2x + 2 

y = -4x + 2

(0,2)

200

2/5x + 6/5y = 12

2/3x +1/2y = 8

(6,8)

300

3x - 3y = -3

-3y - 3x = 9

(-2,-1)

400

x + y = 12

x + 0.84y = 0.12(12)

(1,11)

500

3/4x - 2/3y = 3

1/2x + 2/3y = 12

(12,9)

Module 8

100

(c³)²(-3c⁵)²

9c¹⁶

200

-4w¹²/12w³

-w⁹/3

300

(2gh⁴)³ [(-2g⁴h)³]²

512g²⁷h¹⁸

400

21d¹⁸e⁵/7d¹¹e⁶

3d⁷/e

500

(5x²y)²(2xy³z)³(4xyz)

800x⁸y¹²z⁴

Module 9

100

What is y when x equals 3

y = 2^x - 1

7

200

What is the end behavior?

y = 2^x

As x increases, y increases

As x decreases, y approaches 0

300

How does it relate to the parent function, f(x)=2^x

h(x) = 2^x + 5

5 units up

400

How does this relate to the parent function? f(x) = 2^x

y = -3/4 (2)^x

Reflects over the x-axis 

Vertically compressed by a factor of 3/4

500

Whitney invests $3000 in an account earning 4/5% interest that is compounded annually. How much money will be in Whitney's account after 10 years? 

$4658.91

Module 10

100

15n² - n - 28

(5n-7)(3n+4)

200

10x² +21x - 10

(2x + 5)(5x - 2)

300

45q³ - 20q

5q(3q+2)(3q-2)

400

3t⁴ - 48t²

3t²(t+4)(t-4)

500

9n² - 30n - 25

Prime

Module 11

100

12x² - 36x = -27

x = (3/2) 

200

x² - 6x + 5 = 0 

x = (1,5)

300

2x² -3x = -1

1

400

y = x² -4x + 6

(3,3)

500

y + 4 = 2x² + 5x 

y + 8x = 3

(1/2, -1) and (-7, 59)