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Mostly Quadratics
Solve for x
Square Roots
Domain or Range
Graphs
100
Find the equation of variation where y varies directly with x, and y=14 and x=2.
What is y = 7x
100
sqrt(x - 1) = 4
What is 17
100
sqrt (4/25)
What is 2/5
100
The range describes the set of x values or the set of y values?
What is the set of y values
100
Graph: y = -2x - 1
What is see the board
200
Solve using the quadratic formula: 3x^2 - 7x + 4 = 0
What is x = 1 or x = 4/3
200
(x + 3)^2 = 16
What is 1 or -7
200
sqrt (25/3)
What is 5*sqrt(3)/3
200
What is the domain and the range of a relation defined by {(5,2), (5,3), (6,2), (3,1)}
What is Domain: 3, 5, 6 Range: 1, 2, 3
200
Graph: f(x) = |x + 1|
What is see the board
300
Find the x and y intercepts: f(x) = x^2 - 3x - 10
What is (-2, 0), (5, 0), and (0, -10)
300
0 = x^2 + 2x + 4
What is no solution
300
(2*sqrt(5))^2
What is 20
300
What is the domain and range of the following function: y = x^2
What is Domain: all reals & Range: y>or=0
300
Graph: h(x) = 2^x
What is yet again, see the board
400
Write the equation in standard form and then identify a, b, & c. 3x^2 = -2x + 1
What is 3x^2 + 2x - 1 = 0; a = 3, b = 2, c = -1
400
x^2 - 49 = 0
What is 7 or -7
400
sqrt(12) - sqrt(2)
What is 2*sqrt(3) - sort(2)
400
What is the domain and range of the following function: y = 3x + 1
What is domain: all reals & range: all reals
400
Graph: y = 2x^2 - 4
What is for 400 points, see the board!
500
Find the vertex: f(x) = 4x^2 + 8x + 1
What is (-1, -3)
500
4x + 2 = 3x^2
What is 1.72 or -0.39
500
In a right triangle, find the length of side a. a = ? b = sqrt(3) c = 9
What is sqrt(78)
500
VLT is an abbreviation for what? What does that tell us about a graph?
What is "Vertical Line Test." It tells whether a graph is a function or not.
500
Which of these graphs is the widest? y = 0.4x^2 y = 4x^2
What is y = 0.4x^2