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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 = 2x + 5 y = x + 9
What is (4, 13)
300
Find a, b, and c for the following equation: y = -x2 + 8x - 16
a=-1 b=8 c=-16
300
The slope and y-intercept of the linear equation y=3x+4
What is m = 3 and b = 4
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 Axis of Symmetry for the equation y = x2 - 2x + 1 is?
axis of symmetry is 1.
400
Slope and y-intercept of 4x +3y = -3
Slope=-4/3 Y-intercept=-1
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 =2x + 1 y - 3 = x
What is (2,5)
500
The vertex for y=x2+2x+4
What is (-1,3)
500
Slope and y-intercept of 2x+3y=7
Slope=-2/3 Y-intercept=7/3
500
What is the axis of symmetry and vertex y=x2+2x+5
axis of symmetry: x = -1 vertex: (-1, -4)
500
The solutions to -10x-8y=-4 and 10x+y=18
What is (2,-2)