Topic 5 Jeopardy

5-1/5-2

100

Substitute: r = -5

r² - r

30

200

Substitute: x = 2, y = -3, z = -6

y⁴ + 3(z / x)

72

300

Expand:

4(x + 5)

4x + 20

400

Expand:

1/2(y - 1/2)

1/2y - 1/4

500

Expand:

x(x² - y)

x³ - xy

5-3

100

Simplify:

2x + 3x + (-4x)

x

200

Simplify:

2x + 5 - 3x - 10

-x - 5

300

Simplify:

-6c + 1/2 - 4a + 1/3

-6c + -4a + 5/6

400

Simplify:

3.3y + 3.5 + 4.2x - 1/2x + 4.7y -4.5

8y + 3.7x - 1

500

Simplify:

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

2x² + 7x + 5y - 15

5-4

100

Find the GCF:

12 and 18

6

200

Find the GCF:

64 and 81

1

300

Find the LCM:

12 18

36

400

Find the LCM:

7 13

91

500

Find the GCF:

-1/3y + 2/3

-1/3

5-5

100

Factor:

4x - 22

2(2x - 11)

200

Factor:

35c - 49

7(5c - 7)

300

Factor:

2.5j + 42.5

2.5(j + 17)

400

Factor:

-1/5x - 4/5

-1/5(x + 4)

500

Factor:

8x³ + 36x² - 16x

4x(2x² + 9x - 4)

Misc

100

(1/3)^-2

9

200

(15v³x²)(3v²x)

45v⁵x³

300

Evaluate:

3.07 x 10⁵

307000

400

(5⁴)² x 3⁸

15⁸

500

3x - 8 = 31

x = 13