Evaluating Expressions

Evaluate One-Variable Expressions

100

4x - 5 + x for x = 4

4*4 - 5 + 4 = 15

200

2(a + 5) for a = 3

2 * (3 + 5) = 16

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

Evaluate Expressions with Exponents

100

6x^2 - 10 for x = 4

6(4)^2 - 10 = 86

200

4(t) + 5 + t^2 for t = 3

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

300

s³ + 6 s=3

33

400

x^3+ y^2  for x = 2, y = 4

24

500

4 (x² - 2) + 3x      x=2

30

Evaluate Expressions 2 steps

100

x + 7 x=2 

9

200

5a a=5 

25

300

4b + 9 b=6

33

400

3(c + 7) c=5

36

500

2(m -10) m=12

4

Evaluate Two-Variable Expressions

100

3z + 8z + y ; z=1, y=6

17

200

4p + 2(r - p) ; r=3, p=2

10

300

14 + 2q + 9s; q=5, s=2

42

400

5d^2 + 2k; d=2, k=3

26

500

8 + 3(2k + 4e) - 5e + 6k - 5; k=1, e=2

29

PEMDAS

100

4*2^2

16

200

12 - 4*3

0

300

5*10/2 - 4

21

400

(6 - 2)3^2

36

500

100/4 + 3(4 - 2)^2

37