Exploring Adding and Subtracting Rational Expressions

What is the first step in solving a rational equation?

• Locate the variable

• Multiply by the reciprocal

• Convert to improper fractions

• Add fractions

In problem 1, what operation is used to isolate the variable 'a'?

• Division

• Multiplication

• Addition

• Subtraction

In problem 3, what is the value of P when -4.5P = -60.3?

• 15.1

• 13.4

• 12.6

• 14.2

In problem 5, what is the value of Y when 16 = Y / 0.3?

• 5.2

• 5.0

• 4.5

• 4.8

In problem 7, what is the value of W when 7.84 = 2.67 + W?

• 5.25

• 5.10

• 5.20

• 5.17

In problem 4, what is the value of K when -8.5 + K = -27.8?

• -19.0

• -19.3

• -18.5

• -20.1

In problem 6, what is the value of M when 1.6M = -5.9?

• -3.5

• -4.2

• -3.7

• -5.9

In problem 14, what is the least common multiple of 18 and 3?

• 6

• 9

• 12

• 18

In problem 17, what is the reciprocal of 2/3?

• 3/1

• 2/3

• 1/2

• 3/2

In problem 19, what is the value of K when -4/5K = 60?

• -70

• -80

• -65

• -75