Benchmark 2 Practice, Algebra 1

For the following graph identify the trend shown.

Type "Positive" if you see a positive correlation, "Negative" for negative correlation, and "No" if there's no correlation

Tags

CCSS.HSF-LE.A.1B

Use points on the line of best fit to create the equation for the following scatter plot.

Solve using elimination. 
−4x − 4y = 0
4x + 4y = 0 

• (−6, −4) 

• Infinite number of solutions  

• (−6, 10) 

• (6, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

There are 50 donkeys and chickens on a far.  There are a total of 174 legs.  Which system below can be used to figure out how many of each animal the farm has?

• d + c = 174
  4d + 2c = 50

• d + c = 50
  4d + 2c = 174

• d + c = 50
  2d + 4c = 174

• d + c = 174
  2d + 4c = 50

Tags

CCSS.8.EE.C.8C

Two brothers went shopping at a back-to-school sale where all shirts and shorts were the same price. The younger brother spent $175 on 7 new shirts and 7 pairs of shorts. The older brother purchased 6 new shirts and 7 pairs of shorts and paid a total of $165. How much did one shirt cost?

• $5

• $10

• $15

• $20

Tags

CCSS.8.EE.C.8C

Set up and solve the system that models this situation:

Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin?

• Alex is 11 years old

  Erin is 22 years old

• Alex is 12 years old

  Erin is 21 years old

• Alex is 22 years old

  Erin is 11 years old

• Alex is 21 years old

  Erin is 12 years old

Tags

CCSS.8.EE.C.8C

Which inequality is graphed on the given coordinate plane?

•  y > x + 1

• y < x + 1

• y ≥ -x + 1

• y ≤ -x + 1

Tags

CCSS.HSA.REI.D.12

Which system of linear inequalities is represented by the graph?

• y≤2x-1
  y>-2x+3

• y>2x-1
  y≤-2x+3

• y<2x-1
  y≥-2x+3

• y≤2x-1
  y>2x+3

Tags

CCSS.HSA.REI.D.12

Solve the system of inequalities by graphing.

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Tags

CCSS.HSA.REI.D.12

Which is the graph of the system of inequalities?

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Tags

CCSS.HSA.REI.D.12