Chapter 1 - 2.2 Review

Find the x and y intercepts
4x - 5y = 40

• x intercept is 10 
  y intercept is 8
• x intercept is 10
  y intercept is 20
• x intercept is 8
  y intercept is 10
• x intercept is 10
  y intercept is -8

What is the y-intercept for the given graph?

• -5
• 5
• 1
• -1

-8(-8x - 6) = -6x - 22

• 2/5
• -1
• 8/7 
• 2

Solve for X:

• a   x=1/2
• b   x=10
• c   x=4
• d   x=12

 If you receive 25% off an item costing $22.00, how much money do you save?

• $ 5.50
• $ 4.25
• $6.00
• $7.35

The solution of the quadratic equation
4x²-5x-9=0 are

• x=-1 or x=9/4
• x=1 or x=9/4
• x=2 or x=3
• x=-2 or x=-3

Solve using the quadratic function: 
0.1x² - 0.2x - 0.5 = 0

• {3.44, -1.44}
• {-.44} 
• {4.44, .44} 
• {3.44}

Solve the equation.

• A
• B
• C
• D

|v + 8| − 5 = 2 

• {-1,-15}
• {-1,-5}
• {-15,15}
• No Solution

Question 4-
 How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to make a 30% solution?

• 44 liters
• 80 liters
• 71 liters
• 77 liters