Algebra 1 Unit 4 Test Review (Week 1)

John and Sarah went to the stationery shop to buy writing materials. John bought 8 pens and 6 highlighters for a total of $20.00. Sarah bought 2 pens and 4 highlighters for a total of $10.00. Determine the cost of one pen, p.

Mathematical Equivalence

ON

Tags

AI.9.5.C

A piggy bank contains quarters and nickels and has a total of 80 coins. The total value of all the coins in the piggy bank is $10. If q represents the number of quarters and n represents the number of nickels, how many quarters and nickels are in the piggy bank?

• 50 quarters and 30 nickels

• 20 quarters and 60 nickels

• 30 quarters and 50 nickels

• 35 quarters and 45 nickels

Tags

AI.9.5.C

A university student completed some modules worth 2 credits and some modules worth 5 credits. The student earned a total of 73 credits after completing 20 modules. How many modules worth 2 credits did the student complete?

Mathematical Equivalence

ON

Tags

AI.9.5.C

What is the equation of a line that passes through the point (2, 7) and is parallel to the line whose equation is 3x−y=6?

• A.y=3x+1

• B.y=3x−1

• C.y = x+3

• D.y =−x−3

Tags

AI.9.2.E

What is the equation of a line that passes through the point (5, 3) and is parallel to the line whose equation is 2x−y=4?

• A.y=2x+1

• B.y=2x−1

• C.y = x+2

• D.y =−x−2

Tags

AI.9.2.E

What is the equation of the line that passes through the point (5, -2) and has a undefined slope?

• A.y = -2

• B.x = 5

• C.y = 5

• D.x = -2

Tags

AI.9.2.G

What is the equation of the line that passes through the point (3, -7) and has an undefined slope?

• A.x = -7

• B.y = 3

• C.y = -7

• D.x = 3

Tags

AI.9.2.G

AI.9.2.E

Which situation best shows causation?

• The length of a rectangle affects the width of the rectangle.

• The amount of time a cell phone is used affects the charge of its battery.

• The number of ice-cream bars sold affects the number of milkshakes sold.

• The number of soccerballs a team owns affects the number of games the team wins during the soccer season.

Tags

AI.9.4.B

Which situation best shows causation?

• When the number of people in a bus increases, the number of animals in a zoo also increases.

• When the number of hours worked each week by an hourly employee decreases, the amount of money earned by the employee also decreases.

• When the amount of a discount for a sale increases, the number of items sold during the sale decreases.

• When the number of bike trails in a city decreases, the amount of rainfall in the city increases.

Tags

AI.9.4.B

The scatterplot below shows the relationship between the number of baseballs used in 14 games and the number of pitches thrown in these games. Based on the scatterplot, what is the best prediction of the number of baseballs that will be used if 275 pitches are thrown?

• 150

• 60

• 100

• 160

Tags

AI.9.4.C