Evaluating Expressions

Evaluate

100

4x - 5    x = 4

4*4 - 5 = 11

200

2a + 5       a = 3

2 * 3 + 5 = 11

300

3(2y - 1) + 6          y = 2

3(2 (2) - 1) + 6 = 15

400

3(6 - b) + 7 - 2b     b = 4

3(6 - 4) + 7 - 2(4) = 5

500

n/4 + 2n - 3     n = 8

8/4 + 2(8) - 3 = 15

Expressions w/Exponents

100

6x^2 - 10     x = 4

6(4)^2 - 10 = 86

200

4(t) + 5 + t^2     t = 3

4(3) + 5 + (3)^2 = 26

300

3s^3 + 7 - 2s   s = 4

3(4)^3 + 7 - 2(4) = 191

400

x^3+ y^2 - z^1     x = 2, y = 5, z =4

22(2)^3 + 5^2 - 4^1= 37

500

8 - x + z =         x=6,  y=12,  z=9

4

Exponents

100

6²

36

200

write 4 x 4 x 4 x 4 as an exponent 

4⁴

300

25³

15,625

400

4² x 3² 

144

500

5² x 4³

1,600

Expressions w/Grouping Symbols

100

(11 - 3z) + x + y                z = 2, x = 9, y = 5

 19

200

3p - 2(r - q)                p = 4, r = 5, q = 3

 8

300

(100 - 6c) + e²    c = 11, e = 2

38

400

2(y - h² + 3j)      y = 8, h = 2, j = 7, 

50

500

3(2f -4e)- 5g         f = 9, e = 3, g = 1

13