Khan Academy Algebra 2 Unit 6

Tyler spent three times as long working on his math homework as Ollie did. If Tyler spent 45 minutes, how long did Ollie spend on the homework?

• 10 minutes

• 30 minutes

• 60 minutes

• 15 minutes

Carl sells hot dogs for $1.50 each and bottles of Gatorade for $1.25 each. The given inequality represents the difference, in dollars, between hot dog and Gatorade sales on a typical day based on H, the number of hot dogs sold, and G, the number of Gatorade bottles sold. If Carl sold 140 hot dogs on a typical day, what is the maximum number of Gatorade bottles sold on that day?

• 60

• 88

• 100

• 120

The given system of equations has solution (x, y), what is the value of y?

• 5

• 3

• 4

• -2

The given system of equations has solution (x, y), what is the value of x?

• 1

• 7

• 4

• -2

Andre sells candy bars and popcorn. The expression 1.25c + .75p gives the cost, in dollars, or c candy bars and p bags of popcorn. What is the cost, in dollars, of 10 candy bars and 5 bags of popcorn?

• 20.50

• 16.25

• 10.25

• 15.75

Andre sells candy bars and popcorn. The expression 2.25c + 1.50p gives the cost, in dollars, or c candy bars and p bags of popcorn. What is the cost, in dollars, of 10 candy bars and 5 bags of popcorn?

• 31.25

• 15.75

• 20.50

• 25.25

Da'Nadia spent half as long working on her homework as Dah'Nella did. If 'Nadia spent 20 minutes, how long did 'Nella spend on the homework?

• 40 minutes

• 50 minutes

• 30 minutes

• 10 minutes

The given system of equations relates the number of years Kareem has been playing Fortnite, K, to the number of years Tre has been playing Fortnite, T. In the system, what does the number 1 represent?

• The number of years Tre has been playing Fortnite

• The total number of years both Kareem and Tre have been playing Fortnite

• The number of years Kareem has been playing Fortnite

• How many more years Kareem has been playing Fornite than Tre.

The given system of equations relates the number of years Kareem has been playing Fortnite, K, to the number of years Tre has been playing Fortnite, T. In the system, what does the number 9 represent?

• The number of years Tre has been playing Fortnite

• The total number of years both Kareem and Tre have been playing Fortnite

• The number of years Kareem has been playing Fortnite

• How many more years Kareem has been playing Fornite than Tre.

What is the slope of the line that passes through the points (0, 4) and (3, 16)?

• 4

• 2

• 6

• 10