Find LCD of Rational Expression

Find LCD of Rational Expression

10th Grade

8 Qs

quiz-placeholder

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Find LCD of Rational Expression

Find LCD of Rational Expression

Assessment

Quiz

Mathematics

10th Grade

Hard

CCSS
HSA.APR.D.7, HSA.APR.D.6

Standards-aligned

Created by

Anthony Clark

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When adding and subtracting rational expressions, my first step should be to:

Combine like terms in the numerators.

Determine a Least Common Denominator.

Factor all of the numerators and all of the denominators.

Change the operator to multiplication and reciprocate the second fraction.

Tags

CCSS.HSA.APR.D.7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the LCD of the following rational numbers


2/5 and 3/10

10

5

15

20

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the LCD of these fractions.

(x+2)(x-2)

(x+2)(x+1)

(x+2)(x-2)(x+1)

(x-2)(x+1)

Tags

CCSS.HSA.APR.D.7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the LCD of these fractions.

(x+2)(x-2)

(x+2)

(x-2)

(x2-4)(x+2)

Tags

CCSS.HSA.APR.D.7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
A
B
C
D

Tags

CCSS.HSA.APR.D.7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the least common multiple of 3x2 - 27 and 5x2+10x-75? HINT: Think least common denominator!

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

15(x+3)(x+3)(x+5)

15(x+3)(x-3)(x+5)

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

Tags

CCSS.HSA.APR.D.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSA.APR.D.7

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(x+8)(x+3)

8x(x+2)

(x2+3x+24)

Tags

CCSS.HSA.APR.D.7