CHAOTIC CHEF QUIZ

Hoagie Time

You are making and selling hoagies to save for a field trip.

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Yesterday we calculated slope from tables and using the formula. Here is a real-world example where we rate of change every day.

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Number of pounds

Cost

1/10

$5.00 $7.50 $10.00 $12.50

2 3 4 5

First, you need to buy the fixins' for your hoagies.The table to the right shows the cost of tomatoes. What is the rate of change for buying tomatoes?

$5.00 per pound

$2.50 per pound

$1 per pound

Right!

Let's move on to the next question

Number of pounds

Cost

2/10

$1.98 $2.97 $3.96 $4.95

2 3 4 5

Next, you need lettuce!The table to the right shows the cost of lettuce. What is the rate of change for buying lettuce?

$1.98 per pound

$0.99 per pound

$1 per pound

Right!

Let's move on to the next question

3/10

Press Here for the Graph

Now you need the meat!The graph to the right shows the cost (y) of buying (x) pounds of salami. What is the cost of salami per pound?

$2.00 per pound

$3.00 per pound

$4.00 per pound

Right!

Let's move on to the next question

4/10

Press Here for the Graph

You need more meat!The graph to the right shows the cost (y) of buying (x) pounds of ham. What is the cost of ham per pound?

$12.00 per pound

$1.00 per pound

$6.00 per pound

Right!

Let's move on to the next question

5/10

Press Here for the Graph

What's a hoagie without cheese?! NONSENSE!The graph to the right shows the cost (y) of buying (x) pounds of cheese. What is the cost of cheese per pound?

$5.50 per pound

$2.75 per pound

$11 per pound

Right!

Let's move on to the next question

6/10

Hoagie rolls come in a pack of 8. Each pack costs $3.20. Which equation below shows the cost of hoagies (y) when buying (x) number of individual rolls?

y = 4x

y = 8x

y = 0.40x

Right!

Let's move on to the next question

7/10

You spent a total of $35 on groceries making 10 hoagies.How much did it cost to make each hoagie?

$35 per hoagie

$7.00 per hoagie

$3.50 per hoagie

Right!

Let's move on to the next question

8/10

Since it costs $3.50 to make each hoagie, you decide to sell them for $7.50 each. Which equation shows the amount of money you make (y) after selling (x) hoagies? Remember to account for the cost of groceries!

y = 7.50x - 35

y = 7.50x + 35

Right!

Let's move on to the next question

9/10

Open Desmos Graphing Calculator by pressingthe hoagie below. In Desmos, graph the linear equation that represents your total profit. y = 7.50x - 35 Take a snip of your graph and upload it in edio.

I'm not graphing it.

I uploaded my snip in edio.

Right!

Let's move on to the next question

10/10

Based on your graph, how many hoagies do you have to sell in order to make a profit?

more than 4 hoagies

more than 5 hoagies

5 hoagies

Congratulations!

You have a plan!!Go make some dough!

start over?

Wrong

Try again!