Practical 2

Exponents

100

In Exponential form, what is 4*4*4*4*4

4⁵

200

What is 5X5X5X5X5 in exponential form?

5⁵

300

Write 7^6 in expanded form.

7X7X7X7X7X7

400

Answer what is 4⁴

256

500

Answer what is 11^4

14641

Plug in X,Y,Z

100

30-X      when X=8

22

200

4x + 9             When x=6

33

300

X+Y+Z            X=2    Y=6      Z=3

11

400

XYZ                               X=3     Y=9        Z=2

54

500

X + YZ                  X=33          Y=8            Z=5

73

Combine Like Terms

100

3x + 4x -1

7x -1

200

3x - 6x + 8x -3

5x -3

300

9x + 2x + 6 - 3

11x + 3

400

6y + 9x + 7y - 4y - 2x

7x + 9y

500

7 - 3x + 5y - 3 - 2y + 4x

1x + 4 +3y

Solve for X

100

X - 7 = 12

X=19

200

2X = 6

X=3

300

X/5 = 3

X=15

400

3x+2x - 7 = 13

X=4

500

-3(4x-2) = 42

X = -3

Solutions

100

36-7x = -7(x-5)

No Sol

200

-2(x+3) = -2x -6

INF Sol

300

-1(3-3x) = 3x + 5

No Sol

400

-3(x + 4) = 2x -37

X=5  One Sol

500

3x + 8 = 8 +2x + x

INF SOL