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10th Grade - Professional Development

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quiz-placeholder

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polinomi e radicali

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Assessment

Quiz

Mathematics

10th Grade - Professional Development

Hard

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

x2 -3 = 0

x = 3

x = ±√3

x = √3

x = -√3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La scomposizione di 4a2+b2+9c2+12ac-4ab-6bc è:

(2a-b-3c)(2a+b+3c)

(-2a+b+3c)2

(2a-b+3c)2

(2a+b-3c)2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale delle seguenti è un'identità?

n√a =b←bn=a ∀n∈R

n√a = b↔ bn = a n≥0

n√a = b ↔ bn=a n≤0

n√a = b ⇒ bn =a ∀n∈R

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

√(9−√56) =

√5−√4

3−2√14

3−2∜14

√7−√2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

√2x − 1 ≥ √3 x

x ≤ 1 /( √3+√2 )

x ≤ -√3-√2

x ≥ -√3-√2

x ≥ √3+√2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

esegui la razionalizzazione di 1 / (∛5 -∛2)

1/3

(∛5 -∛2) / 3

(∛25 +∛10 +∛4) / 3

(∛5 +∛2) / 3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La scomposizione di 3x2 +9x−15 è:

3(x -5)(x +2)

3(x+5)(x−2)

(3 x+5)(x−2)

(3 x−5)(x−2)

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