Recapitulare lucrare semestriala VII

QUIZ

40%average accuracy

13 plays

7th grade

Mathematics

ciprian_poganu

2 years ago

Save

Copy and Edit

INSTRUCTOR-LED SESSION

Start a live quiz

ASYNCHRONOUS LEARNING

Assign homework

14 questions

Preview

Show answers

Question 1
SURVEY
Ungraded
120 seconds
Report an issue
Q.
Transformat în fracție ordinară ireductibilă numărul a = 0,1(6) - 1 este egal cu:
answer choices
⅙
-⅚
-⅙
⅚
⅙
alternatives
-⅚
-⅙
⅚
answer explanation
Tags:
Topics:
Question 2
SURVEY
Ungraded
120 seconds
Report an issue
Q.
În paralelogramul ABCD se știe că măsura unghiului A este egală cu 72^o. Măsura unghiului D este egală cu:
answer choices
72^o
180^o
108^o
68^o
72o
alternatives
180o
108o
68o
answer explanation
Tags:
Topics:
Question 3
SURVEY
Ungraded
120 seconds
Report an issue
Q.
Dacă 2x + 2,5 = –12,5 atunci x este egal cu:
answer choices
-7,5
-5
5
7,5
-7,5
alternatives
-5
5
7,5
answer explanation
Tags:
Topics:
Question 4
SURVEY
Ungraded
180 seconds
Report an issue
Q.
Cel mai mic dintre numerele -2,3(15); -2,(315); -2,315; -2,31(5)
answer choices
-2,3(15)
-2,(315)
-2,315
-2,31(5)
-2,3(15)
alternatives
-2,(315)
-2,315
-2,31(5)
answer explanation
Tags:
Topics:
Question 5
SURVEY
Ungraded
300 seconds
Report an issue
Q.

În dreptunghiulu MNPQ se știe că măsura unghiului MNQ este de 30^o. Dacă O este punctul de intersecție a diagonalelor dreptunghiului, atunci măsura unghiului NOP este:
answer choices
45^o
30^o
60^o
90^o
45o
alternatives
30o
60o
90o
answer explanation
Tags:
Topics:
Question 6
SURVEY
Ungraded
180 seconds
Report an issue
Q.
Rădăcina pătrată a numărului 11, calculată cu două zecimale exacte, este egală cu:
answer choices
3,13
3,21
3,31
3,41
3,13
alternatives
3,21
3,31
3,41
answer explanation
Tags:
Topics:
Question 7
SURVEY
Ungraded
300 seconds
Report an issue
Q.
Patrulaterul convex ABCD care are unghiurile A, B, C respectiv D invers proporționale cu numerele 0,(3); 0,25; 0,2 si 0,1(6) este un:
answer choices
paralelogram
dreptunghi
romb
trapez
paralelogram
alternatives
dreptunghi
romb
trapez
answer explanation
Tags:
Topics:
Question 8
SURVEY
Ungraded
300 seconds
Report an issue
Q.
$5x-\sqrt{8}=\sqrt{12}$
Soluția rațională a ecuației este:
answer choices
1
0
$\sqrt{2}$
$\sqrt{3}$
1
alternatives
0
 <math><semantics><mrow><msqrt><mn>2</mn></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{2}</annotation></semantics></math>2<svg width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"></path></svg> 
 <math><semantics><mrow><msqrt><mn>3</mn></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{3}</annotation></semantics></math>3<svg width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"></path></svg> 
answer explanation
Tags:
Topics:
Question 9
SURVEY
Ungraded
180 seconds
Report an issue
Q.
Rombul ABCD are măsura unghiului B de 60⁰ si AC = 1,2dm. Perimetrul rombului va fi:
answer choices
3,6dm
48cm
48dm
36cm
3,6dm
alternatives
48cm
48dm
36cm
answer explanation
Tags:
Topics:
Question 10
SURVEY
Ungraded
120 seconds
Report an issue
Q.
Un număr irațional cuprins între 5 și 7 este:
answer choices
2√7
6
5√5
√36
2√7
alternatives
6
5√5
√36
answer explanation
Tags:
Topics:
Question 11
SURVEY
Ungraded
300 seconds
Report an issue
Q.
Trapezul dreptunghic ABCD are bazele AB = 12cm, CD = 9cm și măsura unghiului B de 60^o. Lungimea laturii BC va fi egală cu:
answer choices
3cm
6cm
9cm
12cm
3cm
alternatives
6cm
9cm
12cm
answer explanation
Tags:
Topics:
Question 12
SURVEY
Ungraded
180 seconds
Report an issue
Q.
Rezultatul calculului √2 + √18 +9√6:(-√27) este:
answer choices
0
1
2
√2
0
alternatives
1
2
√2
answer explanation
Tags:
Topics:
Question 13
SURVEY
Ungraded
300 seconds
Report an issue
Q.
În triunghiul ABC se știu AC = 12cm, BC = 18cm și măsura unghiului C de 30^o. Aria triunghiului va fi egală cu:
answer choices
54cm²
108cm²
144cm²
216cm²
54cm2
alternatives
108cm2
144cm2
216cm2
answer explanation
Tags:
Topics:
Question 14
SURVEY
Ungraded
300 seconds
Report an issue
Q.
Rezultatul calculului $3\sqrt{12}-6\sqrt{6}:3\sqrt{2}+\left(\sqrt{3}\right)^3$ este:
answer choices
$-3\sqrt{3}$
$-\sqrt{3}$
$2\sqrt{3}$
$7\sqrt{3}$
 <math><semantics><mrow><mo>−</mo><mn>3</mn><msqrt><mn>3</mn></msqrt></mrow><annotation encoding="application/x-tex">-3\sqrt{3}</annotation></semantics></math>−33<svg width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"></path></svg> 
alternatives
 <math><semantics><mrow><mo>−</mo><msqrt><mn>3</mn></msqrt></mrow><annotation encoding="application/x-tex">-\sqrt{3}</annotation></semantics></math>−3<svg width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"></path></svg> 
 <math><semantics><mrow><mn>2</mn><msqrt><mn>3</mn></msqrt></mrow><annotation encoding="application/x-tex">2\sqrt{3}</annotation></semantics></math>23<svg width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"></path></svg> 
 <math><semantics><mrow><mn>7</mn><msqrt><mn>3</mn></msqrt></mrow><annotation encoding="application/x-tex">7\sqrt{3}</annotation></semantics></math>73<svg width="400em" height="1.08em" viewBox="0 0 400000 1080" preserveAspectRatio="xMinYMin slice"><path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"></path></svg> 
answer explanation
Tags:
Topics: