2nd
grade

Mathematics

70%

accuracy

plays

3 years

Show Answers

See Preview

1. Multiple Choice
1 minute
1 pt
dezvoltarea binomului
$\left(x-3\right)^2=$
$x^2-6x+9$
$x^2-9$
$x^2+9$
$x^2-6x$
2. Fill in the Blank
1 minute
1 pt
formula
$\left(a-b\right)^2=a^2-2ab+b^2\ \left(cu\ adevarat\ si\ fals\right)$
3. Multiple Choice
45 seconds
1 pt
$\left(x-4\right)\left(x+4\right)=$
$2x-8$
$x^2-16$
$x^2-8$
$x-4$
4. Fill in the Blank
1 minute
1 pt
formula
$\left(a+b+c\right)^2=a^2+b^2+c^2+2ab+2ac+2bc\ \left(Cu\ A\ sau\ F\right)$
5. Fill in the Blank
1 minute
1 pt
formula
$\left(2x-1\right)^2=4x^2-1\ \left(cu\ A\ sau\ F\right)$
Answer choices
Tags
Answer choices
Tags
Explore all questions with a free account
Already have an account?