Writing Equations & Inequalities 7th Grade Math

The perimeter of a rectangle is 32 inches. 

 

• The rectangle has a width of 4 inches.

• The rectangle has a length of 2.5x inches.

 

Which equation can be used to find the value of x?

• 4+2.5x=32

• 8+5x=32

• 4(2.5x)=32

• 8(5x)=32

Tags

CCSS.6.EE.B.7

Which number line best represents the solution to the inequality 

−4x+29>19?

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Tags

CCSS.7.EE.B.4B

Which number line represents the solution to the inequality shown?

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Tags

CCSS.7.EE.B.4B

Which equation is true when 

x=−3?

• 5x+1=16

• 4x−8=12

• −2x+9=−12

• 3x−6=−15

Tags

CCSS.6.EE.B.5

Which equation is true when x=4?

• 3x + 4 = 8

• 5x -2 = 18

• 2x + 8 = 40

• 4x + 4 = 12

Tags

CCSS.6.EE.B.5

The model of 4x + 2 = x + 11 is shown. Which value of x will make the equation true?

• 3

• 4

• 9

• 13

Tags

CCSS.8.EE.C.7B

A figure is shown.

Write an equation for x using sums and differences of other angles.

Tags

CCSS.7.G.B.5

Which situation can be represented by this equation?

 

250 + 65x = 575

• Jeremy is traveling to a location that is 575 miles away. He has already traveled 250 miles. What is x, the number of hours that Jeremy will need to travel at a speed of 65 miles per hour to reach the location?

• Jeremy is traveling to a location that is 575 miles away. He has already traveled 250 miles. What is x, the number of additional miles that Jeremy will need to travel to reach the location?

• Jeremy is reading a book with 575 pages. He has already read 65 pages and will read 250 pages per day. What is x, the number of days that Jeremy will need to read to finish the book?

• Jeremy is reading a book with 575 pages. He has already read 315 pages. What is x, the number of pages Jeremy has left to read to finish the book?

Tags

CCSS.HSA.CED.A.3

Which value of x is NOT in the solution set of the inequality 

−5x+4x+4≤12?

• -8

• -9

• -4

• -6

Tags

CCSS.6.EE.B.5

Which situation is best represented by the following equation?

 

• An office manager paid $675.95 to build a web site. The office manager bought a software package for $68.50 and paid an employee $127.95 for each hour she worked on the website. What is x, the number of hours the employee worked on the website?

• An office manager paid $675.95 for computer equipment. The office manager bought one monitor for $127.95 and hard drives for $68.50 each. What is x, the number of hard drives the office manager bought?

• A sales manager paid $675.95 for advertising. The sales manager paid $127.95 per hour for consulting and received a $68.50 discount. What is x, the number of hours the manager paid for consulting?

• A business owner paid a total of $675.95 for two employees to work the same number of days. The business owner paid one employee $68.50. The business paid a second employee $127.95 per day. What is x, the number of days the employees worked?

Tags

CCSS.HSA.CED.A.3