Parašykite reiškinį sandauga:
4c2 - 20cd + 25d2
Reiškiniai, lygtys, nelygybės 8 kl.
Quiz
•
Mathematics
•
8th Grade
•
Medium
jurguta jurguta
Used 6+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Parašykite reiškinį sandauga:
4c2 - 20cd + 25d2
(2c - 5d)(2c + 5d)
(2c + 5d)2
(2c - 5d)2
(4c - 5d)2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Iškelkite bendrą dauginamąjį prieš skliaustus:
13x2 + x =
x(13x + x)
x(13x + 0)
x(13x + 1)
13(x2 + x)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Išskaidykite dauginamaisiais:
a2 - 144 =
(a - 144)(a + 144)
(a - 12)2
a(a - 144)
(a - 12)(a + 12)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Iškelkite bendrą dauginamąjį prieš skliaustus:
5xy + 5yz =
5y(x + z)
5(xy + yz)
5x(y + yz)
5y(x - z)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Išskaidykite dauginamaisiais:
0,36 - y2
( 0,6 - y)2
( 0,6 - y2)2
( 0,6 - y)(0,6 + y)
(0,6 - y2)(0,6 + y2)
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Išspręskite lygtį
y : 8 - 2 =4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
y + 5,1 < 2,3
y > 7,4
y > - 2,8
x < 2,8
y < - 2,8
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