Linear Relationships (easy)

A freelancer charges a flat fee plus $4 for each hour worked. After working 3 hours, the freelancer earned $24. What was the fixed fee they charged before starting any work?

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• -5

Tags

CCSS.HSA.REI.D.10

A tree was 4 feet tall when planted. The equation 2n + 4 = 16 finds the years n to reach 16 feet.

What does 2 represent?

• Initial height

• Average growth per year

• Total years

• Final height

A line passes through the points (4, 10) and (2, 2). Using these points, find the value of y when x=0 .

• 4

• -2

• -6

• 0

A tank drains at 10 gallons per minute. The equation w = 200 - 10t models remaining water. What does 200 represent?

• Drain rate

• Time to drain

• Remaining water

• Initial water volume

A car travels at a speed of 60 miles per hour. The equation d = 60t calculates the distance d after t hours. What does 60 represent?

• Acceleration

• Distance

• Time

• Speed

In the equation y = 3x - 7, what is the x-intercept?

• 3

• 0

• -7

• 7/3

A line passes through (1, 4) and (3, 10). What is the equation?

• y = 2x + 2

• y = 3x + 1

• y = 4x - 1

• y = 5x - 3

A plant grows 0.5 inches/day. How tall is it after 10 days if it started at 6 inches?

A tank has 300 L. It loses 12 L/hour. Write an equation for remaining water after t hours.

• w = 300 + 12t

• 12t + 300

• 12t - 300

• 300 - 12t