CC 2.5 JEOPARDY M0 Review

Evaluating Expression

100

6x²+2x-8 for x= 3

6(3²)+2(3)-8

6(9)+6-8

54+6-8

60-8

52

200

3x-70 for x= -1

3(-1) - 70

-3 - 70

- 73

300

-4x²+2x for x= 5

-4 (5²) + 2 (5)

-4 (25) + 10

-100 + 10

-90

400

-3x² - 3x - 3 for x = -2

-3 (-2)² - 3 (-2) - 3

- 3 (4) +6 -3

-12 + 6 - 3

-6 - 3

-9

500

46 - 3x² + 16 for x=0

46 - 3 (0²) + 16

46 - 0 + 16

46 + 16

62

Combining Like Terms

100

3a + 2b + 10 + 3a + 2

6a + 2b + 12

200

8x + 7y -3z + y + z

8x + 8y - 2z

300

26a - 32 + 45 - 13a

13a + 13

400

8r + 12s - 12t - 12s - 9t

8r - 21t

500

19b -  81 + 5c + 41b + 105 - 5b - 7c

55b - 2c + 24

Two-Step Equations

100

3a - 5 = 4

a=3

200

-3x + 16 = 52

x=-12

300

2r + 39 = 65

r=13

400

-9b - 83 = - 29

b=-6

500

21q - 39 = 234

q=13

Variables on Both Sides

100

2x - 6 + x = 1 - 3x + 5

x= 2

200

3x + 5 = -2x - 35

x= -8

300

9x - 8 = 5x + 24

x =8

400

x + 74 = -6x - 10

x = -12

500

12x - 60 = -2x + 36

x = 6 (6/7)

Integer Operations

100

20 + (-14)

6

200

-80 / -40

2

300

-9 - (-12)

3

400

4 (-12)

-48

500

9 + (-9) + 8 - (-8) + 7 + (-7)

16