Algebra Expressions Easy
Authored by Sean Bunce
Mathematics
8th Grade
CCSS covered
Used 1+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
식을 간단히 하시오: 3x + 2x - 5
5x - 5
8x - 5
6x - 5
5x + 5
Answer explanation
To simplify the expression 3x + 2x - 5, combine like terms to get 5x - 5. Therefore, the correct choice is 5x - 5.
Tags
CCSS.7.EE.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x = 4 일 때, 다음 식을 평가하시오: 2x + 7
15
9
20
11
Answer explanation
Substitute x=4 into the expression 2x + 7 to get 2(4) + 7 = 8 + 7 = 15. Therefore, the correct answer is 15.
Tags
CCSS.6.EE.A.2C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
유사 항목을 결합하시오: 4y + 2y - 3y
5y
6y
2y
3y
Answer explanation
To combine like terms, add the coefficients of y. 4y + 2y - 3y = 3y, so the correct answer is 3y.
Tags
CCSS.7.EE.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
분배 법칙을 적용하시오: 2(3x - 5)
3x - 5
6x + 10
6x - 5
6x - 10
Answer explanation
To apply the distributive property, multiply 2 by each term inside the parentheses: 2(3x) - 2(5) = 6x - 10. Therefore, the correct choice is 6x - 10.
Tags
CCSS.6.EE.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
다음 단어 문제에 대한 대수식을 작성하십시오: John이 x개의 사과를 가지고 있고 5개를 더 산다면, 지금 몇 개의 사과를 가지고 있습니까?
x * 5
x + 5
5x
x - 5
Answer explanation
The correct choice is x + 5 because John starts with x apples and buys 5 more, resulting in x + 5 total apples.
Tags
CCSS.HSA-SSE.A.1A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x에 대해 풀어보세요: 2x + 8 = 16
x = 10
x = 6
x = 4
x = 2
Answer explanation
To solve for x, subtract 8 from both sides: 2x = 8. Then divide by 2 to get x = 4. Therefore, x = 4 is the correct answer.
Tags
CCSS.7.EE.B.4A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
분수를 간단히 하시오: 3/4 + 1/2
2 1/4
1 3/4
1 1/2
1 1/4
Answer explanation
To simplify the fraction, find a common denominator which is 4. Then, add the numerators: 3/4 + 2/4 = 5/4 = 1 1/4. Therefore, the correct answer is 1 1/4.
Tags
CCSS.7.NS.A.1C
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