Highs and Lows
Walk the line
Range
y=-2x^2+2x+40
Misc
100
y = x^2
What is (0,0)
100
y = x^2
What is x =0
100
y = (x + 2)^2 - 4
What is All real numbers > or equal to -4
100
Do this parabola open up or down and how do you know?
What is down because -a
100
What is the discriminant of y = -2x^2 + 2x +4 and how many zeros does this function have?
What is 324 2 zeros
200
y = 4x^2 +7
What is (0,7)
200
y = (x+1)^2 - 25
What is x = -1
200
Y = -2(x + 3)^2 -7
What is All real numbers < or equal to -7
200
Is this parabola wider or narrower than the parent function and how do you know?
What is narrower because the absolute value of A > than 1
200
The height of a ball above the ground after t seconds after it is thrown is h(t) = -16t^2+32t+20. How high does the ball go?
What is 36 ft
300
y = 2x^2 +16x-1
What is (-4, -33)
300
y = x^2- 8x+1
What is x=4
300
y = 0.5(x - 3)^2 +6
What is All real numbers > or equal to 6
300
What is the y intercept and how do you know?
What is 40. Its the c
300
If the discriminant of a parabola is 0. How many solutions does it have?
What is 1
400
y = -3x^2+18x-3
What is (3,14)
400
y = 2x^2 - 6x+3
What is x = 1.5
400
y = -3x^2 + 18x - 3
What is all real numbers < or equal to 14
400
What is the vertex and axis of symmetry
What is (.5, 40.5) and x = .5
400
Give an example of a quadratic equation that opens up, is narrower than the parent function and has a y intercept of -8.
What is y = 2x^2 - 8
500
y = (x-2)^2+7
What is (2,7)
500
y = 4x^2 - 4x - 3
What is x = 0.5
500
y = 100x^2 -100
What is All real numbers > or equal to -100
500
What is the domain and range
What is Domain is all real numbers Range is all real numbers < or equal to 40.5
500
Given an example of a quadratic function in vertex form that opens down is the same width of the parent function and has a vertex of (-4,5)
What is y = (x+4)^2 +5
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