Intersections on a Graph

Ask something about your teacher...

• Where did they grow up?

• How long have they been living in the Austin area?

• What's one thing different about math when they were a student?

• If they remember who was their 8th grade Math teacher?

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CCSS.RI.2.1

CCSS.RI.3.1

CCSS.RL.1.1

CCSS.RL.2.1

CCSS.RL.3.1

What is this graph about?

• The Ribbon Sales of Frank and Erica

• How many ribbons are sold over how many days?

• Both

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CCSS.8.EE.B.5

The x-axis measures the number of ribbons left for Frank and Erica to sell.

• TRUE

• FALSE

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CCSS.8.EE.B.5

At the start, who has more ribbons left to sell?

• Frank has more left to sell at the start because his graph is steeper.

• Frank has more left to sell because his y-intercept is greater.

• Erica has more left to sell but she sells all of her ribbons first.

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

At the intersection (18, 15)...

• There are 18 ribbons left to sell and it took 15 days.

• There are 15 ribbons left to sell and it took 18 days.

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CCSS.8.EE.C.8C

Which statement is true from the graph?

• Company A has a greater initial/starting cost.

• Company B is more expensive per mile because it's graph is steeper.

• Company A is more expensive per mile because it's graph is steeper.

• Company B has the lower initial/starting cost.

Tags

CCSS.8.EE.B.5

If you want to rent a car at a lower price, which company should you go wtih if you plan on driving around 100 miles?

• Company A is cheaper at 100 miles because the graph is lower.

• Company B is cheaper at 100 miles because the graph is lower.

• Either company seems like a good choice since the graph is an intersection at 100 miles.

Tags

CCSS.8.EE.B.5

Which statement is true?

• Company A will charge $30 if you rent the car and drive about 40 miles.

• Company B will charge $30 as a starting fee.

• Both

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CCSS.8.EE.B.5

Since there is an intersection, there be an instance where both taxis will charge the same amount.

• True

• False

Tags

CCSS.8.EE.C.8B

On the graph, at the point of intersection

• Both taxis are charging $10

• Both taxis are charging $15

• Both taxis are charging $20

• Both taxis are charging $5

Tags

CCSS.8.EE.C.8C