Mac's Week 2

Simplify

100

4x - 5 for x = 4

What is 4*4 - 5 = 11

200

2a + 5 for a = 3

What is 2 * 3 + 5 = 11

300

3(2y - 1) + 6 for y = 2

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

400

3(6 - b) + 7 - 2b for b = 4

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

500

n/4 + 2n - 3 for n = 8

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

Expressions w/Exponents

100

6x² - 10 for x = 4

What is 6(4)² - 10 = 86

200

4(t) + 5 + t² for t = 3

What is 4(3) + 5 + (3)² = 26

300

3s³ + 7 - 2s for s = 4

3(4)³ + 7 - 2(4) = 191

400

x³+ y² - z for x = 2, y = 5, z =4

22(2)³ + 5² - 4= 37

500

2x⁴ + 5L⁷ - 6w³ - 4m² for x = 3, L = 6, w = 4, m = 5

What is 2(3)⁴ + 5(6)⁷ - 6(4)³ - 4(5)² = 2(81) + 5(279936) - 6(64) - 4(25) = 162 + 1399680 - 384 - 100 = 1399358

GCF and LCM

100

Find the GCF for the following:

12, 90

What is 6?

200

Find the LCM of the following:

12, 90

What is 180?

300

Find the LCM of the following:

3² * 5 * 7,     3 * 7² * 13

What is 3² * 5 * 7² * 13 or  28665?

400

Find the GCF for the following:

3² * 5 * 7, 3 * 7² * 13

What is 3 * 7 or 21?

500

Find the GCF of the following:

a⁷bc³, a²b⁵

What is a²b?

Expressions w/Grouping Symbols

100

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

(11 - 3(2)) + 9 + 5 = 19

200

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

3(4) - 2(5 - 3)= 12 - 2(2) = 12 - 4 = 8

300

(14f - 6c) + e⁸ for f = 1, c = 117, e = 2

(14(1) - 6 (117)) + 256 = -432

400

2(y⁵ - h² - 3j) + 2k for y = 4, h = 6, j = 7, k = 8

What is 2((4)⁵ - (6)² - 3(7)) + 2(8) = 1950

500

3(2f -4e)^2 - 5g + 6k/6 for f = 9, e = 8, g = 1, k = 6

3(2(9) - 4(8))^2 - 5(1) + 6(6)/6 = 589

Simplifying Fractions (* and /)

100

Simplify:

6/15

What is 2/5?

200

Simplify 21/66.

What is 7/22?

300

Simplify:

2³ * 3²

2² * 3⁴ * 5

What is 

   2           

3² * 5   

= 2/45

400

Multiple the following:

2  *  5

5      6

What is 

1/3

500

Divide the following:

3  /  9

4     8

What is 

2/3?