Unit 6 quizziz

When adding or subtracting rational expressions, what must you first make sure is done.

• a). make sure all denominators are common denominators a

• b). make sure all numerators are common numeratorsb).

• c). make sure all denominators are different

• d). make sure all numerators are different d

factor this equation

• a

• b

• c

• d

add

• a

• b

• c

• d

to simplify a rational expression you should...

• a). factor numerator and denominator

• b). eleminate common factors

• c). CLT

• d). add your eqaution together

What are the two methods to solving rational expressions with unlike denominators?

• a). LCM

• b). GCF

• c). cross multiplication

• d). multiplying across the denominators

5/6x + 7/18x

• a). 22/18x

• b). 11/9x

1/5 +1/y

• a). 1/y

• b). 2/5+y

• c). y+5/ 5y

• d). 5/y

(x+5)/(x-5) - (3/(x+5)

• a). -3/(x+5)

• b). x+2/(x+5)(x-5)

• c). -5/(x+3)

• d). x^2+7x+40/(x+5)(x-5)