STAAR Review Day #9 (5/5/2023)

A square has vertices at (6,9),(18,9),(6,21),and (18,21). If the square is dilated by (x,y)→(2/3 x,2/3 y), what are the new coordinates?

Select the missing coordinates of the new square, (4, ​ (a)   ), (​ (b)   , 6), (​ (c)   , 14), (12, ​ (d)   ).

• 6
• 12
• 4
• 14

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8.3C

A right triangle and two of its side lengths are shown in the diagram.

Choose the correct answer from each drop down menu to complete the statement.

The longest side of the triangle is ​ (a)   . The triangle has a perimeter of ​ (b)   .

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8.7C

Mr. Wilson is investing $5,000 into each of two accounts.

Account I earns 3.5% annual simple interest

Account II earns 3.5% interest compounded annually

Mr. Wilson makes no additional deposits or withdrawals. Which account earns the greater amount of interest over a period of 4 years?

Choose the correct answer from each drop-down menu to complete the statement.

The investment with the greater amount of interest is ​ (a)   ,which earns about ​ (b)   more.

• Account 2
• $37.62
• $700
• $5,037.62
• $5,737.62
• Account 1

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8.12D

A student took 32 minutes to complete a 20-question history assignment. Choose two points that lie on the line with the slope that best represents the number of questions completed per minute. 

 

Select TWO correct answers.

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8.4B

Mr. Murphy wants to paint his storage shed.  He needs to calculate the lateral surface area of the shed so he will know how much paint to buy. The shed is in the shape of a rectangular prism shown below. 
Including the doors, what is the lateral surface area of the storage shed in square feet?

Mathematical Equivalence

OFF

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8.7B

What is the rate of change for Company A and Company B?

Company A = ​ (a)  

Company B = ​ (b)   ​ ​

• $0.125 per pencil
• $0.25 per pencil
• $8 per pencil
• $250 per pencil

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8.4B

What is the surface area of the triangular prism shown? 

Hint: You need to use Pythagorean Theorem to find the 3rd side of the triangle

Mathematical Equivalence

OFF

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8.7B

What value of x makes this equation true?

 

0.17x − 0.03 = 0.03x − 0.002

 

Enter your answer in fraction form.

Mathematical Equivalence

OFF

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8.8C

Angela collected the data displayed in the chart.

What is the mean absolute deviation for this set of data? Round your answer to the nearest tenths place.

Mathematical Equivalence

OFF

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8.11B

Sara is going to wrap a birthday present for her niece. She has a single piece of wrapping paper with an area of 400 in².

Sara has 3 gift boxes she can use. The boxes are shown below with their measurements.

Select the box or boxes that Sara would be able to use for the gift that she could completely wrap with her piece of wrapping paper.

Tags

8.7B