Algebra I Recipe: Exponents and Order of Operations

Express 2 ● 2 ● 2 ● x ● y ● y in exponent form.

2³xy²

(2y)³x

2xy

Express (5x) ● (5x) ● (5x) in exponent form.

(5x)³

5x³

5³x

Evaluate (x² – 5) ÷ 4, when x = 7.

11

9/4

1

3/2

Evaluate 2[(x – 7)³] – 15 ÷ 5, when x = 12.

247

47

997

197

Evaluate x³ – (5 – y)² ÷ 3, when x = 3 and y = 2.

24

6

0

7

Find the volume of a cube whose length, width and height are 3.5 meters.

42.875 m

9.6 m

13.44 m

10.24 m