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- Multiple ChoicePlease save your changes before editing any questions.
Vai kvadrātu starpības formula uzrakstīta pareizi (a−b)(a+b)=a2 - b2 ?
jā
nē
- Multiple ChoicePlease save your changes before editing any questions.
1,96 − z2 =(1,4 + z) ⋅ (...)
(1,4 + z)
(z - 1,4)
(1,4 - z)
- Multiple ChoicePlease save your changes before editing any questions.
Kāds monoms jāieraksta daudzpunktes vietā?
(8b + ...)(8b − ...) = 64b2 - 49
49
-49
7
- Multiple ChoicePlease save your changes before editing any questions.
Kvadrātu starpību 9 − z2 var uzrakstīt kā divu iekavu reizinājumu. Ja viena iekava ir (3 + z), tad kāda ir otra iekava?
(3 + z)
(z - 3)
(3 - z)
- Multiple ChoicePlease save your changes before editing any questions.
Ja būsi attapīgs, to izdarīsi ātri. 1012 − 912 =
10
192
100
1920
- Multiple ChoicePlease save your changes before editing any questions.
Iznes pirms iekavām kopīgos reizinātājus! 28y2 − 4y =
4(7y2 - y)
4y(7y - 0)
4y(7y - 1)
- Multiple ChoicePlease save your changes before editing any questions.
Vai dotā vienādība ir patiesa?
(n + g)2 = g2 + gn + n2
jā
nē
- Multiple ChoicePlease save your changes before editing any questions.
Kāpini! (2 − b)2
4 - b2
4 - 2b - b2
4 - 4b + b2