Evaluating Expressions

Simplify

100

4x - 5 

for x = 4

4*4 - 5 = 11

200

2a + 5 

for a = 3

2 * 3 + 5 = 11

300

3(2y - 1) + 6 

for y = 2

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

400

3(6 - b) + 7 - 2b 

for b = 4

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

500

n/4 + 2n - 3 

for n = 8

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

Expressions w/Exponents #1

100

6x² - 10 

for x = 4

6(4)² - 10 = 86

200

4(t) + 5 + t² 

for t = 3

4(3) + 5 + (3)² = 26

300

3s³ + 7 - 2s 

for s = 4

3(4)³ + 7 - 2(4) = 191

400

x³+ y² - z¹ 

for x = 2, y = 5, z =4

(2)³ + 5² - 4¹= 29

500

2x + 5t - 6w - 1m 

for x = 3, t= 6, w = 4, m = 5

2(3) + 5(6) - 6(4) - 1(5)  What is 7?

Expressions w/Exponents #2

100

6z² - x 

for z = 3, x = 7

6(3)² - 7= 47

200

3x⁴ - z 

for x = 3, z = 10

3(3)⁴ - 10 = 233

300

6t- 8w 

for t = 9, w = 2

6(9) - 8(2)  What is 38?

400

5a³ - 10b² + 100c⁵⁰⁰ 

for a = 3, b = 2, c = 1

5(3)³ - 10(2)² +100(1)⁵⁰⁰ = 195

500

n² + m³  

for n = 8, m = 3

8² + 3³ What is 91?

Expressions w/Grouping Symbols #1

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 = 2, c = 4, e = 1

(14(2) - 6(4) ) + 1⁸   What is 5?

400

2(y⁵ - h) + 2k 

for y = 4, h = 1, j = 7, k = 8

What is 2062?

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

588-5+6

Expressions w/Grouping Symbols #2

100

(n / 2) + 3m 

for n=50, m=15

(50 / 2) + 3(15) = 70

200

3(2x - 1)⁴   

x=3

What is 1875?

300

10a - (b - c)⁵ 

for a = 7, b = 6, c = 4

What is 38?

400

(2x + 1z)⁴  

when x=4 and z=2

What is 10000?

500

b + 3(2c - 5d)² 

for b= 10, c = 4, d = 1

What is 37?