The function f(t)=−5t^2+20t+60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the
ground?
What is 6 seconds?
300
Slope Formula
What is y2-y1/x2-x1?
300
(x-4)^2
What is x^2 -8x +16?
300
Two times Antonio’s age plus three times Sarah’s age equals 34. Sarah’s age is also five times Antonio’s age. How old is Sarah?
What is S = 10, A = 2?
400
Distance Formula
What is sqrt(x2-x1)^2 - (y2-y1)^2)
400
What expression is equivalent to (t^2 - 36)
What is (t + 6)(t-6)?
400
The math club sells candy bars and drinks during football games.
• 60 candy bars and 110 drinks will sell for $265.
• 120 candy bars and 90 drinks will sell for $270.
How much does each candy bar sell for?