Cogito
Integrated Math 1 · Chapter 4 · Lesson 3
Properties of Exponents
The rules that make exponentials workable.
12 problems · about 20 minutes · N-RN.A.2, A-SSE.A.2
NameDate
Figure — use these to answer the problems
- Point(0, 1)
a, starting amount
b, base
Point on the curve
Warm Up
Straightforward practice. Get the method working first.
5 problemsx⁶ · x³ = xⁿ. What is n?
AnswerWhy does x⁰ equal 1?
- Because x³ ÷ x³ is both 1 and x⁰.
- It is an arbitrary convention.
x² · x⁵ = xⁿ. What is n?
Answerx⁹ ÷ x⁴ = xⁿ. What is n?
Answer(x²)⁶ = xⁿ. What is n?
Answer
Build It Up
The same ideas with more to keep track of.
3 problemsWhat is 7⁰?
AnswerWhat is 2⁻³, as a decimal?
Answerx⁴ ÷ x⁶ = xⁿ. What is n?
Answer
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
4 problemsMatch each operation with what it does to exponents.
Draw a line from each item on the left to its match on the right.
- Multiplying powers of the same base
- Dividing powers of the same base
- Raising a power to a power
- Add the exponents
- Subtract the exponents
- Multiply the exponents
What is 5⁻², as a decimal?
AnswerThe Product
x³ · x⁴ = xⁿ. What is n?
AnswerThe Power
(x³)⁴ = xⁿ. What is n?
Answer