Math7 Ch6 Practice Test - Form 1a - Quiz, Trivia & Questions

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| By Mmendoza_cartere

Mmendoza_cartere

Community Contributor

Quizzes Created: 8 | Total Attempts: 13,552

Questions: 20 | Attempts: 300 | Updated: Mar 21, 2023

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Questions and Answers

1.

Three times Geoff’s age plus 3 is Myrka’s age. Myrka is 48.What is Geoff’s age?
- A.
  
  15
- B.
  
  17
- C.
  
  135
- D.
  
  153
Correct Answer
A. 15

Explanation
The given information states that three times Geoff's age plus 3 is equal to Myrka's age. Since Myrka's age is given as 48, we can set up the equation 3x + 3 = 48, where x represents Geoff's age. Solving this equation, we subtract 3 from both sides and divide by 3 to find that x = 15. Therefore, Geoff's age is 15.

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2.

In the basketball game, Rachael scored 6 points less than twice the number of points Trina scored. Trina scored 9 points. How many points did Rachael score?
- A.
  
  3 points
- B.
  
  12 points
- C.
  
  15 points
- D.
  
  18 points
Correct Answer
B. 12 points

Explanation
Rachael scored 6 points less than twice the number of points Trina scored. Since Trina scored 9 points, twice the number of points Trina scored is 2*9=18 points. Therefore, Rachael scored 6 points less than 18 points, which is 18-6=12 points.

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3.

9 + n = –2
- A.
  
  -11
- B.
  
  -7
- C.
  
  2
- D.
  
  7
Correct Answer
A. -11

Explanation
To find the value of n, we need to isolate it on one side of the equation. We can do this by subtracting 9 from both sides of the equation. This gives us n = -2 - 9, which simplifies to n = -11. Therefore, the correct answer is -11.

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4.

14 = y – 10
- A.
  
  F. –24
- B.
  
  G. –4
- C.
  
  H. 4
- D.
  
  I. 24
Correct Answer
D. I. 24

Explanation
The equation is 14 = y - 10. To solve for y, we need to isolate it on one side of the equation. Adding 10 to both sides, we get y = 24. Therefore, the correct answer is I. 24.

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5.

5 = x + 3
- A.
  
  A. –8
- B.
  
  B. –2
- C.
  
  C. 2
- D.
  
  D. 8
Correct Answer
C. C. 2

Explanation
The equation 5 = x + 3 can be solved by subtracting 3 from both sides to isolate the variable x. This gives us x = 5 - 3, which simplifies to x = 2. Therefore, the correct answer is C. 2.

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6.

t - 26 = -21
- A.
  
  F. -47
- B.
  
  G. -5
- C.
  
  H. 5
- D.
  
  I. 47
Correct Answer
C. H. 5

Explanation
The equation t - 26 = -21 can be solved by adding 26 to both sides of the equation. This will eliminate the -26 on the left side, leaving t alone. When we add 26 to -21, we get 5. Therefore, the value of t is 5.

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7.

84 = 7d
- A.
  
  A. 8
- B.
  
  B. 12
- C.
  
  C. 77
- D.
  
  D. 91
Correct Answer
B. B. 12

Explanation
The equation 84 = 7d can be solved by dividing both sides of the equation by 7. This gives us d = 12. Therefore, the value of d that satisfies the equation is 12, making option B the correct answer.

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8.

6z = 12
- A.
  
  F. 2
- B.
  
  G. 6
- C.
  
  H. 18
- D.
  
  I. 72
Correct Answer
A. F. 2

Explanation
The correct answer is F. 2. To solve the equation 6z = 12, we need to isolate the variable z. We can do this by dividing both sides of the equation by 6. This will give us z = 2, meaning that the value of z that satisfies the equation is 2.

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9.
- A.
  
  A.
- B.
  
  B.
- C.
  
  C.
- D.
  
  D.
Correct Answer
A. A.
10.
- A.
  
  F.
- B.
  
  G.
- C.
  
  H.
- D.
  
  I.
Correct Answer
D. I.
11.
- A.
  
  A.
- B.
  
  B.
- C.
  
  C.
- D.
  
  D.
Correct Answer
A. A.
12.
- A.
  
  F.
- B.
  
  G.
- C.
  
  H.
- D.
  
  I.
Correct Answer
D. I.
13.

13. -8x + 3 = -29
- A.
  
  A. 256
- B.
  
  B. 4
- C.
  
  C. 3
- D.
  
  D. -40
Correct Answer
B. B. 4

Explanation
To solve the equation -8x + 3 = -29, we need to isolate the variable x. First, we subtract 3 from both sides to get -8x = -32. Then, we divide both sides by -8 to solve for x. This gives us x = 4. Therefore, the correct answer is B. 4.

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14.

3x + 1 = -11
- A.
  
  F. -36
- B.
  
  G. -30
- C.
  
  H. -4
- D.
  
  I. -3
Correct Answer
C. H. -4

Explanation
To solve the equation 3x + 1 = -11, we need to isolate the variable x. First, we subtract 1 from both sides of the equation to get 3x = -12. Then, we divide both sides by 3 to find x = -4. Therefore, the correct answer is H. -4.

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15.
- A.
  
  A.
- B.
  
  B.
- C.
  
  C.
- D.
  
  D.
Correct Answer
C. C.
16.

0.3a = 6
- A.
  
  F. 1.8
- B.
  
  G. 2
- C.
  
  H. 18
- D.
  
  I. 20
Correct Answer
D. I. 20

Explanation
To solve the equation 0.3a = 6, we need to isolate the variable a. We can do this by dividing both sides of the equation by 0.3. This gives us a = 6/0.3, which simplifies to a = 20. Therefore, the correct answer is I. 20.

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17.

What is the solution of x + 6 < 5?
- A.
  
  A. x < 11
- B.
  
  B. x > 11
- C.
  
  C. x < -1
- D.
  
  D. x > -1
Correct Answer
C. C. x < -1

Explanation
The solution to the inequality x + 6 < 5 is x < -1. To find this solution, we subtract 6 from both sides of the inequality, resulting in x < -1. This means that any value of x that is less than -1 will satisfy the inequality.

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18.
- A.
  
  F.
- B.
  
  G.
- C.
  
  H.
- D.
  
  I.
Correct Answer
B. G.
19.
- A.
  
  A.
- B.
  
  B.
- C.
  
  C.
- D.
  
  D.
Correct Answer
A. A.
20.
- A.
  
  F.
- B.
  
  G.
- C.
  
  H.
- D.
  
  I.
Correct Answer
A. F.