Unit 3 Test Review

The amount of water that flows through the Eagle Mountain Lake dam can be calculated using the formula: 

 $200x-4y=0$  What is the rate at which the water is flowing?   HINT: Solve for y=mx+b and identify the slope

• 50

• 0.02

• 100

• 200

The amount of water leaving the broken aquarium can be calculated using the formula: 

 $1800x-6y=0$  What is the rate at which the water is flowing out of the tank?   HINT: Solve for y=mx+b and identify the slope

• 300

• 600

• 1,800

• .003

What is the rate of change?

• 2/3

• 3/2

• -7

• -5

What is the slope?

• -4/3
• -3/4
• -2
• -6

Tags

CCSS.8.EE.B.5

What is the x-intercept shown on the graph?

• (2, 0)
• (-2, 0)
• (0, 3)
• (3, 0)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

What is the y-intercept shown on the graph?

• (0, -2)
• (3, 0)
• (0, 3)
• None of these.

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

What is the x-intercept shown on the graph?

• (4, -2)
• (0, -2)
• (4, 0)
• (0, 4)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Bethany hangs out at the ice cream shop every Friday after school. The ice cream shop is 2.6 miles from her school. She rides her bike one block every 60 seconds. If each block is 240 feet long, what is the rate, in feet per second, at which Bethany rides her bike home from the ice cream shop?

• 2.6

• 300

• 4

• 0.25

John runs every morning for cross country. The total distance he runs on Thursdays is 8 miles. He runs two miles every 12 minutes. What is the rate, in miles per minute, at which John runs each Thursday?

• 0.1667

• 6

• 8

• 0.6667

Which of the following inequalities matches the given graph?

• y ≥ 2/5x + 1
• y ≥ -2/5x + 1
• y≤  2/5x + 1
• y ≥ -2/5x - 1

Tags

CCSS.HSA.REI.D.12