Quiz on Adding and Subtracting Rational Expressions

What is the first step in adding fractions?

• Subtract the numerators

• Add the denominators

• Find the lowest common denominator

• Multiply the numerators

If the denominators are 6 and 8, what is their lowest common denominator?

• 30

• 12

• 18

• 24

In the expression 2V + 2, what is the common denominator when combined with V - 5?

• V - 5

• 2V

• 2V(V - 5)

• V + 5

What must be done to the numerator when multiplying by a new denominator?

• Add the new denominator

• Multiply by the same factor

• Subtract the new denominator

• Divide by the same factor

What is the result of distributing -5 in the expression -5(V - 5)?

• -5V + 25

• -5V - 25

• 5V + 25

• 5V - 25

What is the lowest common denominator for 3V^2 and 7V - 6?

• 7V - 6

• V^2 + 6

• 3V^2

• 3V^2(7V - 6)

How can you simplify the expression 4(6V^2 + 7V - 6)?

• By subtracting 4

• By adding 4

• By factoring out 4

• By dividing by 4

What is the common denominator for the binomials X - 8 and X + 3?

• X^2 - 5

• (X - 8)(X + 3)

• X + 3

• X - 8

What is the result of combining like terms in the expression 3X + 7X?

• 21X

• 4X

• 10X

• 1X

What should you do if you have questions after watching the tutorial?

• Search online for answers

• Ignore the questions

• Rewatch the video

• Leave questions in the comment section