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8th
-
10th
grade

Mathematics

55%

accuracy

2.5K

plays

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7 years

Mathematics

8th -

10thgrade

Adding and Subtracting Rational Expressions

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2.5K
plays

10 questions

10 questions

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1. Multiple Choice
30 seconds
1 pt
Find the least common denominator of the expression
18
6x
3xy
6xy
2. Multiple Choice
1.5 minutes
1 pt
Simplify the expression
6x / 20xy
3 / 10y
(6x+1) / (20xy)
3 / 20xy
3. Multiple Choice
30 seconds
1 pt
Simplify the expression
n / 2m
n / 3m
(m²+ 4n²) / 12m
n / 4m
4. Multiple Choice
30 seconds
1 pt
Simplify the expression
(2a + 4b) / 12b²
(2a - 4b) / 12b²
(a - b) / 6b²
(a + 2b) / 6b²
5. Multiple Choice
30 seconds
1 pt
Simplify the expression
(5x + 4y) / 9y
(6y + 3x) / 3y
(2y + x) / y
(6y + 3x) / 9y
6. Multiple Choice
15 minutes
1 pt
Simplify the expression
(-17x - 12y) / 15x
(23x - 4y) / 15x
(-17x - 4y) / 15x
(-3x - 4y) / 8x
7. Multiple Choice
30 seconds
1 pt
Simplify the expression
(30ab³ + 8a) / 10b³
(15ab³ + 4a) / 5b³
10a / 7b³
(10a) / (5b³ + 2)
8. Multiple Choice
30 seconds
1 pt
Simplify the expression
(4 - 2ab² + 3b³) / 4b²
(4a - 2a²b² + 3ab³) / 4ab²
(4 - 2ab² - 3b³) / 4b²
(4a - 2a²b² - 3ab³) / 4ab²
9. Multiple Choice
30 seconds
1 pt
Simplify the expression
(19k² -12k - 12) / 4k(5k-4)
(19k² - 24k) / 4k(5k-4)
(19k) / 4(5k-4)
(19k - 24) / 4(5k-4)
10. Multiple Choice
30 seconds
1 pt
Simplify the expression
(12n² + 28n + 4) / (2n-5)(n+2)
(12n² - 28n + 4) / (2n-5)(n+2)
(8n) / (3n + 3)
(12n² + 2n -3) / (2n-5)(n+2)
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