Do Now 5/13

Tags

CCSS.HSF-IF.C.7A

• Linear

• Quadratic

• Exponential

• Logarithmic

Tags

CCSS.HSF-IF.C.7A

Which set of ordered pairs represents y as a function of x?

• {(−9, 2), (0, 6),
  (1, −2), (−3, 6)}
• {(−1, 0), (4, 3),
  (−7, −3), (−1, −8)}
• {(3, 2), (−4, −2),
  (3, 1), (−4, 1)}
• {(5, 4), (2, 3),
  (1, 1), (2, 4)}

Tags

CCSS.8.F.A.1

Over the last ten years, a school recorded the number of eighth grade students enrolled in Algebra 1. Using the equation of the curve of best fit, approximately how many students will be enrolled in Algebra 1 on year 16 if the trend continues?

• 120

• 70

• 52

• 100

Tags

CCSS.HSF.LE.A.2

Heather dropped a water balloon over the side of her school building from a height of 80 feet. The approximate height of the balloon at any point during its fall can be represented by the following quadratic equation:

h = -16t² + 80

About how long did it take for the balloon to hit the ground?

• 1.73 seconds

• 2.24 seconds

• 2.45 seconds

• 2.83 seconds