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QUIZ

12th
grade

Mathematics

73%

accuracy

1

play

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Francisco Ceacero

6 months

Mathematics

12th

grade

U1. Radicals & Logarithms. Prof. F. Durán

user

Francisco Ceacero

1
play

15 questions

15 questions

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1. Multiple Choice
30 seconds
1 pt
Which one is not a rational number?
10⁻²
1.666...
2. Multiple Choice
30 seconds
1 pt
3
84
1.5
504
96
3. Multiple Choice
3 minutes
1 pt
4. Multiple Choice
3 minutes
1 pt
5. Multiple Choice
3 minutes
1 pt
$4\sqrt{7}-10\sqrt{7}+7\sqrt{7}=$
$-6\sqrt{7}$
$14\sqrt{7}$
$-3\sqrt{14}$
$\sqrt{7}$
6. Multiple Choice
3 minutes
1 pt
7. Multiple Choice
3 minutes
1 pt
2
8. Multiple Choice
3 minutes
1 pt
$\frac{7}{3+\sqrt{15}}$
$\frac{21-7\sqrt{15}}{-6}$
$\frac{21-\sqrt{95}}{-6}$
$\frac{21+7\sqrt{15}}{24}$
$\frac{-21-7\sqrt{15}}{24}$
9. Multiple Choice
3 minutes
1 pt
$\frac{x}{2-\sqrt{3}}$ =
$\left(2+\sqrt{3}\right)x$
$\left(-2-\sqrt{3}\right)x$
$2x-\sqrt{3x}$
$2x+\sqrt{3x}$
10. Multiple Choice
30 seconds
1 pt
11. Multiple Choice
2 minutes
1 pt
Evaluate.
log₃81
4
¹/₄
-4
-¹/₄
12. Multiple Choice
2 minutes
1 pt
log₃9 + log₃27 =
-1
5
4
1
13. Multiple Choice
2 minutes
1 pt
5² = 25
This expression is equivalent to:
log₅2 = 25
log₂25 = 5
log₂₅5 = 2
log₅25 = 2
14. Multiple Choice
2 minutes
1 pt
15. Multiple Choice
30 seconds
1 pt
-2
0.25
25
0.04
∄
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