Illustrative Mathematics Algebra

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CCSS.HSF-IF.C.7A

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CCSS.HSF-IF.C.7A

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CCSS.HSF-IF.C.7A

Which of the following are the roots/zeros/x-intercepts?

• (1,-3)

• (1,0

• (0,1)

• (-3,0)

• (0,-3)

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CCSS.HSF-IF.C.7C

• Lin's hit first after 1 second

• Clare's hit first after 1 second

• Lin's hit first after 1.25 seconds

• Clare's hit first after 1.25 seconds

• Clare's was higher by 1 foot

• Lin's was higher by 9 feet

• Clare's was higher by 9 feet

• Both had the same maximum height

• 1) (-4,-7) 2) Minimum

• 1) (-4,7) 2) Minimum

• 1) (4,-7) 2) Maximum

• 1) (4,7) 2) Maximum

• 49 feet

• 4.9 feet

• 490 feet

• 10 feet