# Math7 Ch6 Practice Test - Form 1a

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Quizzes Created: 8 | Total Attempts: 13,567
Questions: 20 | Attempts: 301

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• 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

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

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

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

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

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

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

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

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.

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B.

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C.

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D.

A. A.
• 10.
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F.

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G.

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H.

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I.

D. I.
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A.

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B.

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C.

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D.

A. A.
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D. I.
• 13.

### 13. -8x + 3 = -29

• A.

A. 256

• B.

B. 4

• C.

C. 3

• D.

D. -40

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

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.

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B.

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C.

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D.

C. C.
• 16.

### 0.3a = 6

• A.

F. 1.8

• B.

G. 2

• C.

H. 18

• D.

I. 20

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

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.
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F.

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G.

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H.

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I.

B. G.
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A.

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B.

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C.

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D.

A. A.
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I.

A. F.

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• Mar 21, 2023
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• Feb 07, 2015
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