Solving System of Equations

Sam scored 80% on Part A of a math test and 92% on part B of the math test. His total points on the test was 63. The total possible points for the test was 75. Find the number points of each part of the test.

Which system of equations represents this situation?

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Tags

CCSS.HSA.CED.A.3

Holy Spirit High School is selling tickets to its Spring Concert. Adult tickets cost $4 and student tickets cost $2.50. 900 tickets are sold and the school makes $2820. How many of each type of tickets were sold? Which system BEST describes the situation? x: being the number of adult tickets sold. y: being the number of student tickets sold.

Tags

CCSS.8.EE.C.8C

Holy Spirit High School is selling tickets to its Spring Concert. Adult tickets cost $4 and student tickets cost $2.50. 900 tickets are sold and the school makes $2820. How many of each type of tickets were sold? Which sentence BEST describes the solution of the problem? x: being the number of adult tickets sold. y: being the number of student tickets sold.

• 350 adult tickets and 550 student tickets were sold

• In total, of 400 adult tickets and 500 student tickets were sold

• A total of 380 adult tickets and 520 student tickets were sold

• 300 adult tickets and 600 student tickets were sold

Tags

CCSS.8.EE.C.8C

Which two equations are represented in the following graph?

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Tags

CCSS.HSA.REI.C.7

Graph the system of equations. Then determine whether the system has no solution, one solution, or infinitely

many solutions. If the system has one solution, name it.

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Tags

CCSS.8.EE.C.8B

At a local electronics store, CDs were on sale. Some were priced at $14.00 and some at $12.00. Sabrina bought 9 CDs and spent a total of $114.00.

How many $12.00 CDs did she purchase?

Which of the following BEST describes the variables to solve for?

• x: price of the first category of CDs

  y: price of the second category of CDs

• x: The price of $14.00 CDs Sabrina bought

  y: The price of $12.00 CDs Sabrina bought

• x: $14.00 CDs

  y: $12.00 CDs

• x: The number of $14.00 CDs Sabrina bought

  y: The number of $12.00 CDs Sabrina bought

Tags

CCSS.8.EE.C.8C

At a local electronics store, CDs were on sale. Some were priced at $14.00 and some at $12.00. Sabrina bought 9 CDs and spent a total of $114.00.

How many $12.00 CDs did she purchase?

Given:

x: The number of $14.00 CDs Sabrina bought

y: The number of $12.00 CDs Sabrina bought

Which of the following is the CORRECT model and solution of the problem?

Tags

CCSS.8.EE.C.8C

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

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Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
2x − 3y = −1
 y = x − 1

• (-2,-3)

• (0,-1)

• (3,4)

• (4,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6