Quadratics and Projectile Motion

• 95 feet

• 45 feet

• 70 feet

• 171.56 feet

• 10 seconds

• 64 seconds

• 960 seconds

• 2 seconds

• 10 seconds

• 2 seconds

• 5 seconds

• 7 seconds

• 1024 meters

• 64 meters

• 960 meters

• 2 meters

Must make Equation =0, then quadratic formula or factor

• -3

• 0.4

• 2.5

• 4

Hint: Make equation =0, then type into Desmos and look for x-intercepts.

• -0.5

• 0.5

• 2

• -2

Hint: make equation =0, then put equation into Demos.

• -4

• 2

• -1

• 3

• 1

• 7

• -4

• 9

which of the following show the quadratic formula being used properly?

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution