Quiz about 7th Grade Semester 2 Exam Review

Question 1

Find the value of x.

Accepted Answer

19

Answer

15

Answer

16

Answer

18

Question 2

Tell whether the angles are complementary or supplementary. Then find the value of x.

Accepted Answer

Complementary; x=5

Answer

Complementary; x=25

Answer

Supplementary; x=25

Answer

Supplementary; x=5

Question 3

14+3x=26

Accepted Answer

x=4

Answer

x=6

Answer

x=1

Answer

x=3

Question 4

$$\frac{r}{4}-10=-13$$

Find the value of r

Accepted Answer

r=-12

Answer

r=92

Answer

r=0.75

Answer

r=-16

Answer

r=1.3

Question 5

$$-9m+8=98$$

Find the value of m

Accepted Answer

m = -10

Answer

m = 10

Answer

m = -9

Answer

m = -8

Answer

m = 9

Question 6

Which equation represents the relationship between the x-values and the y-values in the table?

Accepted Answer

y = 6x + 4

Answer

y = 2x + 12

Answer

y = 4x + 6

Answer

y = 2x + 4

Question 7

Which equation and solution are correct for the model shown in the picture? (7.11A)

Accepted Answer

2x + 5 = 13; x = 4

Answer

2x + 5 = 12 ; x = 3.5

Answer

2x- 5 = 13; x = 9

Answer

2x + 5 = -13; x = 3.5

Question 8

A paperweight is represented in the picture. The paperweight is a pyramid with a square base. The base edge is 3 inches long. The paperweight is 4.5 inches tall. Which is the volume of the paperweight? (7.9A)

Hint: V = $$\frac{1}{3}Bh$$

Accepted Answer

$$13.5\ in^3$$

Answer

$$20.25\ in^3$$

Answer

$$55\ in^3$$

Answer

$$9\ in^3$$

Question 9

Which equation has x =2 as a solution?

Accepted Answer

11 + x = 13

Answer

3 + x = 10

Answer

4x = 32

Answer

5x =25

Question 10

What is the area of the composite figure? (use 3.14 for pi)

Accepted Answer

20.28 cm2

Answer

14 cm2

Answer

6.28 cm2

Answer

12.56 cm2

Question 11

Write the equation for the model.

Accepted Answer

3x+6=-9

Answer

-3x-6=9

Answer

3x+6=9

Answer

3x-6=-9

Question 12

Which equation represents this model.

Accepted Answer

6x + 5 = 15

Answer

x + 6 = 15

Answer

6x+ 5 = 10

Answer

4x + 6 = 15

Question 13

Jim paid a gym membership fee of $50, plus $20 per month. Jim has paid a total of $290 to the gym. Which equation matches this situation?

Accepted Answer

50 + 20m = 290

Answer

20 + 50m = 290

Answer

50 + 20 = m

Answer

50m - 20 = 290

Question 14

What is the solution for this equation?

Accepted Answer

x=2

Answer

x= -2

Answer

x=4

Answer

x=10

Question 15

Three friends earned more than $200 washing cars. They paid their parents $28 for supplies and divided the rest of money equally. Write an inequality to find possible amounts each friend earned. Identify what your variable represents.

Accepted Answer

3a + 28 > 200

Answer

28a + 3 > 200

Answer

28 + 3a < 200

Answer

200 + 3 < 28a

Question 16

An electrician charges $90 per hour plus a $50 travelling fee. Which equation represents the total cost of $340 for a repair by an electrician after x hours?

Accepted Answer

340 = 90x + 50

Answer

340 = 50 - 90x

Answer

340 = -50x + 90

Answer

340 = -90 - 50x

Question 17

The table shows the results of a school survey about favorite frozen yogurt flavors. If there are 432 students in the school, predict how many would select vanilla or strawberry as their favorite flavor.

Accepted Answer

198 students

Answer

72 students

Answer

126 students

Answer

942 students

Question 18

At an assembly 7 out of 10 students who entered the gym were carrying a backpack. Based on this information, if 700 students were at the assembly, how many students could be expected to be carrying a backpack?

Accepted Answer

490

Answer

49

Answer

210

Answer

421

Question 19

Based on the chart above, what is the Net Worth?

Accepted Answer

$34,010

Answer

$16,840

Answer

$50,850

Answer

$67,690

Question 20

The table shows Peter's net worth statement. Assets are positive and liabilities are negatives. Peter's net worth is $101,800. Based on the information in the table, what is the current value of Peter's house?

Accepted Answer

$98,000

Answer

$58,600

Answer

$78,300

Answer

$82,100

Question 21

The table below shows Claude's assets and liabilities.  What is the total value of his assets?

Accepted Answer

$24,950

Answer

$25,420

Answer

-$24,950

Answer

$50,370

Question 22

What percent of Sherri's total monthly budget is put into savings?

Accepted Answer

12.5%

Answer

15%

Answer

8%

Answer

25%

Question 23

Which statement is true?

Accepted Answer

Airplane B has a greater range

Answer

Airplane A has a lesser median

Answer

Airplane A has a less predictable flight length

Answer

Airplane B a lesser IQR

Question 24

Question 24.

Accepted Answer

The median for Reybold and Picktown are equal.

Answer

The minimum temperature for Reybold is lower than the minimum temperature for Picktown.

Answer

The first quartile for Reybold is greater than the first quartile for Picktown.

Answer

Picktown has a greater interquartile range than Reybold.

Question 25

Find the surface area of the triangular prism.

Accepted Answer

170 cm2

Answer

228 cm2

Answer

304 cm2

Answer

328 cm

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