What are the restrictions of: 8 x ( x + 4 ) ( x − 5 ) \frac{8x}{\left(x+4\right)\left(x-5\right)} ( x + 4 ) ( x − 5 ) 8 x (Pick all that apply!)

x ≠ − 4 x\ne-4 x  = − 4

x ≠ − 5 x\ne-5 x  = − 5

Student 1 says that the restrictions of 9 ( d − 4 ) ( d − 7 ) ( d + 8 ) \frac{9\left(d-4\right)}{\left(d-7\right)\left(d+8\right)} ( d − 7 ) ( d + 8 ) 9 ( d − 4 ) are d ≠ 4 d\ne4 d  = 4 , d ≠ 7 d\ne7 d  = 7 , and d ≠ − 8 d\ne-8 d  = − 8 . Is Student 1 correct? Why?

No because d = 4 does not make the denominator equal to zero

Yes because d = 4, d = 7, and d = -8 all make the denominator equal to zero

Yes because d = 4, d = 7, and d = -8 all make the expression evaluate to zero

No because the real restrictions are d ≠ − 4 d\ne-4 d  = − 4 , d ≠ − 7 d\ne-7 d  = − 7 , and d ≠ 8 d\ne8 d  = 8

No because d = 0 is also a restriction

Operations/Equations of rationals

9th - 12th Grade

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20 Qs

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Operations/Equations of rationals

Quiz

•

Mathematics

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

CCSS

HSA.APR.D.7, HSA.REI.A.2, HSA.APR.D.6

Standards-aligned

Tiffany Fele

Used 80+ times

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20 questions

Show all answers

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the LCD of these fractions.

(x+2)(x-1)x

+2, -1

(x+1)(x-2)

(x+2)(x-1)

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify.

Tags

CCSS.HSA.APR.D.6

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tags

CCSS.HSA.APR.D.7

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply and Simplify

4(x+3)/(x+2),

(x+2)/4(x+1)

(x+2)/4(x+3),

4(x+1)/(x+2),

Tags

CCSS.HSA.APR.D.7

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Operations/Equations of rationals

20 questions

Find the LCD of these fractions.

Simplify.

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