TnReady Practice #2

Arjun's baby brother weighed 7 pounds at birth. The table shows his weight after each month up to the sixth month. Can you help Arjun find ALL the equations in the form of y = mx + b that represent a linear relationship among the data?

• y = 2x + 7

• y = 3x + 7

• y = 1x + 7

• y = x + 7

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• 32

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CCSS.8.EE.A.1

Isla and Liam are playing a math game. Isla challenges Liam with this equation: What value of coefficient b makes the equation true for any real number x?

-3(2x - 3) + 5x = bx + 9

• 11

• 7

• -1

• -6

Tags

CCSS.8.EE.C.7A

Ethan and Sophia are on a treasure hunt, and they need to solve a puzzle to find the next clue. The clue says: "The value of an irrational number expression is estimated to be between 18 and 19. Help Ethan and Sophia find the right expression to unlock the treasure chest!"

Which could be the expression?

Tags

CCSS.8.NS.A.2

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CCSS.8.EE.A.2

Emma and Arjun are solving a puzzle. They need to find the missing value of x in the table to unlock the treasure chest. Can you help them figure it out?

• 8

• 10

• 12

• 14

Tags

CCSS.5.OA.B.3

Elijah and Aria are on a math adventure, exploring the world of linear functions! They come across a mysterious graph. Can you help them find the equation of the linear function in the form y = mx + b?

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Anika and Avery are planning a party and want to fill a giant spherical balloon with helium. The balloon has an 18-inch diameter. Can you help them figure out the volume of the balloon in cubic inches?

• 1526.8 cubic inches

• 3053.6 cubic inches

• 3817.2 cubic inches

• 6107.2 cubic inches

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Olivia and Ethan are planning a marketing campaign for their new startup. They discovered that for $1200, they can post an advertisement for 30 days. If they spend $1500, the advertisement will be posted for 60 days. The relationship comparing cost to days is linear.

Which function can be used to model the relationship between cost, y, and the number of days, x, that an advertisement will be posted?

• y = 300x + 1200

• y = 1200x + 300

• y = 10x + 900

• y = 900x + 10

Tags

CCSS.HSF-BF.A.1A

Henry decided to play detective and recorded the height, in inches, and weight, in pounds, of each of his soccer team members. He then created a scatter plot to reveal the secrets hidden in the data.

Which three (3) statements about the scatter plot of the data are true?

• The data have a linear association.

• The data have a positive association.

• The data have a negative association.

• As the height increases, so does the weight.

• The data are clustered about the height of 55 inches.

Tags

CCSS.HSF-LE.A.1B