Exploring Adding and Subtracting Rational Expressions

What should you do when you encounter a negative exponent in an expression?

• Leave it as is

• Convert it to a positive exponent by moving it across the fraction bar

• Multiply it by -1

• Add it to the denominator

Tags

CCSS.8.EE.A.1

If an expression has a negative exponent in the numerator, where should it be moved to make the exponent positive?

• It stays in the numerator

• To the numerator

• It is eliminated

• To the denominator

What is the simplified form of x^-5?

• 5/x

• x/5

• 1/x^5

• -x^5

Tags

CCSS.8.EE.A.1

In the expression 3x^-4, what happens to the 3 when simplifying the expression?

• It becomes negative

• It is eliminated

• It moves to the denominator

• It stays in the numerator

Tags

CCSS.8.EE.A.1

How do you simplify an expression with a negative exponent in the denominator?

• Eliminate the exponent

• Multiply it by -1

• Move it to the numerator and make the exponent positive

• Leave it as is

In the expression 7x^-2, what is the simplified form?

• 7x^2

• -7/x^2

• x^2/7

• 7/x^2

Tags

CCSS.HSA.APR.A.1

What is the result of multiplying coefficients in expressions with negative exponents?

• Cannot be determined

• The same coefficient

• A negative coefficient

• A positive coefficient

Tags

CCSS.8.EE.A.1

When simplifying expressions with negative exponents, what should you do with the exponents during multiplication?

• Add them

• Subtract them

• Multiply them

• Divide them

If you have an expression 4x^-3y^2, what happens to the y^2 when simplifying?

• It is eliminated

• It becomes y^-2

• It stays in its original position

• It moves to the denominator

Tags

CCSS.8.EE.A.1

What is a key step in simplifying expressions with negative exponents according to the lesson?

• Circling the negative exponents

• Converting all exponents to negative

• Ignoring the negative sign

• Multiplying all exponents by -1

Tags

CCSS.8.EE.A.1