A1 Unit 4/5 TEST

The equation for the line shown on the grid is ​ (a)   and the ​ (b)   .

• x=6
• y=6
• slope is Undefined
• slope is 0
• slope is 6

Tags

CCSS.8.EE.B.5

Given the line x=3 and the line y=3, which statement is true about the lines?

• The lines are parallel.

• The lines are perpendicular.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Which situation best represents causation?

• When the number of bus stops increases, the number of car sales decreases.

• When fewer firefighters report to a house fire, the damage caused by the fire decreases.

• When it rains several inches, the water level of a lake increases.

Tags

CCSS.RI.4.3

CCSS.RI.5.3

CCSS.RI.6.3

CCSS.RI.7.3

CCSS.RI.8.3

The value of y is directly proportional to the value of x.

If y=20 when x=5, which equation represents the relationship between x and y?

• y=100x

• y=15x

• y=4x

• 
• 
• 

Tags

CCSS.8.EE.B.5

In an electrical circuit, the voltage across a resistor is directly proportional to the current running through the resistor.

If a current of 6 amps produces 240 volts across a resistor, how many volts would a current of 3 amps produce across an identical resistor?

HINT: voltage/current = voltage/current

• 80
• 200
• 150
• 120

A company advertises on a website. A worker tracked the number of visits to the website and the number of clicks on the ad. The table below shows the data for several days.

Based on the table, what is a reasonable function to represent the data?

• y = -106.47+19.25x

• y = 5.54x+0.05

• y = 0.05x + 5.54

Tags

CCSS.HSF-LE.A.1B

The scatterplot 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?

• 60

• 100

• 160