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QUIZ

7th
grade

Mathematics

64%

accuracy

695

plays

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Learnhex learnhex@gmail.com

5 years

Mathematics

7th

grade

Expansion of Algebraic Expressions

user

Learnhex learnhex@gmail.com

695
plays

10 questions

10 questions

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1. Multiple Choice
30 seconds
1 pt
Expand $3x(4+y)$ .
$12x-3xy$
$12x+3xy$
I don’t know 😓
2. Multiple Choice
30 seconds
1 pt
Expand $-4y(2x+3)$ .
$-8xy-12y$
$-8xy+12y$
I don’t know 😓
3. Multiple Choice
30 seconds
1 pt
Expand $x(3x-y)$ .
$3x^2-xy$
$3x^2+xy$
I don’t know 😓
4. Multiple Choice
30 seconds
1 pt
Expand $-3y(2y-3x)$ .
$9xy-6y^2$
$-9xy-6y^2$
I don’t know 😓
5. Multiple Choice
30 seconds
1 pt
Expand $2x(y+z)+3x(2y+z)$ .
$x(8y+5)$
$8yx+6z$
$5xz+8xy$
I don’t know 😓
6. Multiple Choice
30 seconds
1 pt
Expand $3x(3y+2z)+4x(5y+2z)$ .
$x(29y+14z^2)$
$z(14x+29yx)$
$29xy+14xz$
I don’t know 😓
7. Multiple Choice
30 seconds
1 pt
Expand $(x+2y)(x+3y)$ .
$5x^2y^2+x^2+6y^2$
$x^2+6y^2+5x^2y^2$
$x^2+5xy+6y^2$
I don’t know 😓
8. Multiple Choice
30 seconds
1 pt
Expand $(2x+5y)(3x-y)$ .
$6x^2-13xy-5y^2$
$6x^2+13xy-5y^2$
$6x^2+17xy-5y^2$
I don’t know 😓
9. Multiple Choice
30 seconds
1 pt
Expand $(x^2+6)(2x+3)$ .
$5x^2+12x+18$
$2x^3+3x^2+12x+18$
$3x^2+3x^2+12x+18$
I don’t know 😓
10. Multiple Choice
30 seconds
1 pt
Expand $2(2x+1)(3x+2)$ .
$12x^2+14x+4$
$24x^2+28x+8$
$12x^2+2x+4$
I don’t know 😓
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