Math 1A Review (Weeks 1-3)

Product of Powers

100

2^3*2^4

2^7

200

(-4)^5*(-4)^7

(-4)^12

300

5*5^2

5^3

400

x^3*x^8

x^11

500

-3x^6*-2x^2

6x^8

Like Terms

100

a² + 5a²

6a²

200

3xy + 7 + yx

4xy + 7

300

-10b²-5-10-7b²

-17b²-15

(terms can be in any order)

Lose 100 points

400

12r - 57r

-45r

500

6ab + b² - 16ab + 9²

-10ab + b² + 81
(terms can be in any order)

Variable Expressions

100

if x = 3

x^2

9

200

If x = 2
What is x⁵

32



Lose 500 points

300

(6a)^3         a=2

6^3*a^3

400

2 (x + y) + ( x+ y )

3x + 3y

500

6³(x²)
x = 3

1944

Quotient of Powers

100

(2^5)/(2^3)

2^2

200

((-3)^6)/((-3)^2)

(-3)^4

300

(7^2)/7

7

400

(x^5)/(x^2)

x^3

500

(a^4)/(a^8

1/(a^4)

Zero and Negative Exponents

100

9^0

1

200

(-11)^0

1

300

4x^-3

4/(x^3)

400

y^-2

1/y^2

500

5^2*b^0

5^2