Semester 2 Final Exam Review

Choose the correct answer

• 1/4(-x+2)

• -1/4(x+2)

• 1/4(-x+1/2)

• -1/4(-x+1/2)

Tags

CCSS.6.EE.A.4

• 15.7x+13

• 15.7x+3

• 2.1x+3

• 2.1x+13

Tags

CCSS.7.EE.A.1

Jack needs to save $125 to go to a concert. He has saved $35. He makes $7.50 an hour at his job.

With x representing the number of hours, which equation and solution can be used to show how many hours Jack must work in order to have enough money to go to the concert?

• 125x + 355 = 750; x = 5.75

• 35 - 7.5x = 125; x = 6

• 7.5x + 35 = 125; x = 12

• 35x + 125 = 750; x = 18

Tags

CCSS.HSA.CED.A.3

Subtract.

(−3.5x + 7) − (5.3x − 4)

• 1.8x + 11

• -8.8x + 11

• -8.8x - 11

• -1.8x - 11

Tags

CCSS.HSA.APR.A.1

Figure 1 is dilated to get Figure 2.

What is the scale factor (in simplest form)?

• 3/18

• 1/6

• 1/2

• 2/1

Tags

CCSS.8.G.A.3

How many different triangles can be constructed with angle measurements ​90°,45°,50°?

• exactly one triangle

• more than one triangle

• no triangles

Tags

CCSS.7.G.A.2

A hamster wheel has a diameter of 8.5 in.

How many inches does the hamster run in one revolution?

Use 3.14 to approximate for π. Enter your answer, as a decimal rounded to the nearest tenth.

• 26.7 in.

• 25 in.

• 26 in.

• 25.67 in.

Tags

CCSS.7.G.B.4

A sprinkler that sprays water in a circular area can spray up to a radius of 22 ft.

What is the maximum area of lawn that can be watered by the sprinkler?

Use 3.14 to approximate for π. Enter your answer, as a decimal rounded to the nearest tenth

• 1,500 sq. ft.

• 1,510.8 sq. ft.

• 1,519.8 sq. ft.

• 69.1 sq. ft.

Tags

CCSS.7.G.B.4

Naman has a retirement savings account. Each month, he deposits 5% of his earnings into the account. His company agrees to match his contribution by also depositing 5% of monthly earnings into the account. Let m represent the amount of Naman's monthly earnings.

Which expressions can he use to calculate the amount of money he will have in the account in 3 months?

Select each correct answer.

• 3(0.05m+0.05m)

• 0.3m

• 0.15m

• 3(0.05m)+0.05m

Tags

CCSS.6.EE.B.6

Liam is riding his bike at a rate of 7 miles per hour. He wants to beat his own one-day riding record. To do so, he has to ride more than 32 miles. He's already ridden 4 miles.

Which statement describes how many more hours Liam must ride his bike to beat his record?

• He must ride more than 4 more hours.

• He must ride fewer than 4 more hours.

• He must ride no less than 5 more hours.

• He must ride no more than 5 more hours.