Quadratic Functions
Linear Functions
Parts of a parabola
Solving Systems of equations
100
What do quadratic functions look like when you graph them?
What is a parabola
100
The graph of a linear function looks like this when you graph it.
What is a line
100
The graph of y = x2 + 2x + 3 will look like what? (smile or frown?) why?
What is a smile, value of a is positive.
100
which ordered pair is in the solution set of the system of equations y = x + 1 and y = x2 - 5x + 9. 1. (4,3) 2. (2,3) 3. (3,4) 4. (1,5)
What is 2. (2,3)
200
The maximum point, or minimum point, on a parabola is called what?
What is the vertex
200
The slope of the linear equation y = -4x + 8 is...
What is -4
200
What are the roots of the graph? (see graph)
What is x=-3, x=-1
200
DAILY DOUBLE Solve each system of equations: y = x2 + x + 5 y = x + 9
What is (2, 11) & (-2, 7)
300
Complete a t-chart for the following equation: y = -x2 + 8x - 16
see t-chart
300
The slope and y-intercept of the linear equation 4x +3y = -3
What is m = -4/3 and b = -1
300
the axis of symmetry of the equation y = -2x2 - 4x +10 is
What is x = -1
300
which ordered pair is in the solution set of the equations of y - x2 = 0 and y + 4x = 12? 1. (-2,4) 2. (-6,24) 3.(6,36) 4. (2,4)
What is 4. (2,4)
400
The interval (values) for x on the t-chart for the equation y = x2 - 2x + 1 is?
axis of symmetry is 1. interval : -2< x < 4
400
graph the equation: y = -2x -2
check graphs
400
DAILY DOUBLE For the equation y = -2x2 - 12x + 4 Find the axis of symmetry? Find the vertex?
Axis of symmetry: x = -3 Vertex: (-3, 22)
400
Solve the following system of equations: y = x2 + 2x + 1 y - 3 = x
What is (-2,1) & (1,4)
500
According to graph, What is the axis of symmetry, vertex, roots, and state whether it is a max or min.
axis of symmetry: x = -1 vertex: (-1, 4) roots: x = 1, x = -3 max
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