Quadratics Absolute Values Applications Concept Checks
100
(7/4, -121/8)
What is the vertex of y=2x^2 -7x-9
100
no solution
What is the solution of [7-x]+6=3
100
69ft
What is the Maximum Height If a football is kicked straight up with an initial velocity of 64 ft/sec from a height of 5 ft, then its height above the earth is a function of time given by h(t) = -16t^2 + 64t + 5.
100
Down 5 units
Compared to the graph of f(x) = x2, the graph of g(x) = x^2 - 5 is shifted ___
200
x=-8, 5
What is the solution of (x+4)(x-1)=36
200
x= 5, 1
What is the solution of 2[x-3]=4
200
1995
The quadratic function f(x) = 0.041x^2-0.45x+30.06 models the median age at which men
in the United States were first married x years after 1990. In which year was this average age
at a minimum? (Round to the nearest year.)
200
9
To complete the square of the expression x^2 -6x, add
300
x= 9/2, -1
What are the zeros of y=2x^2 -7x-9
300
(-1/3, 1)
What is the solution of [1-3x] +4 less then or equal to 6
300
~4.1 sec
What is the hang time of the ball if a football is kicked straight up with an initial velocity of 64 ft/sec from a height of 5 ft, then its height above the earth is a function of time given by h(t) = -16t^2 + 64t + 5.
300
1 real solution
If the discriminant of a quadratic equation is zero, the nature of solution(s) is(are):




Exam 2

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