Parts of Quadratics
Real World Quadratics
Solving
Vocabulary
Evaluate Quads
Surprise
100
Other names for x-intercepts are...
What is zeros, roots, and solutions
100
If the graph models a football being kicked off the ground, about how long did it take for the ball to hit the ground?
What is 10 seconds
100
Identify the solution(s) to the following function:
f(x) = x2+8x+16
x=-4
100
A u-shaped graph
What is a parabola
100
In standard form
−3x+5x2+15=-2
What is 5x2−3x+17=0?
100
Any point that falls on a graph is called a .......
What is a solution
200
The highest point on a graph is the....
What is the maximum
200
If the graph models the height of a football after being kicked off the ground, how long did it take for the ball to reach its maximum height?
What is 5 seconds
200
Identify the solution(s) to the following function:
f(x) = x2-121
What is x=11 and x=-11
200
The highest or lowest point of the parabola is called..
What is Vertex
200
Given f(x)=3x2+16
f(-4)
What is 64?
200
Solve by completing the square. What number must be added to both sides to complete the square?
m2 + 4m − 60 = 0
m2 + 4m = 60
m2 + 4m + ______ =60 +______
What is 4?
300
The lowest point on the graph is the...
What is the minimum
300
What was the maximum height the ball reached?
What is 120 meters
300
Solve the following quadratic equation
f(x) = x2-8x+16
What is x=4
300
What is A in this equation? x2+15x-7
What is 1
300
Give f(x) = -x2-10x
f(-2)
What is 16?
300
Solve by completing the square. What two numbers should go in the blanks?
m2 + 4m − 60 = 0
m2 + 4m = 60
m2 + 4m + 4 =60 + 4
(m + _______)2 =_______
What is 2 and 64?
400
The point where a parabola crosses the y axis
What is Y-Intercept
400
What was the initial height of the ball?
What is zero meters
400
Solve this quadratics by factoring to find the x-intercepts.
x2 + 2x = 3
x = 1 or x = -3
400
What is B in this equation? 7x2+76
0
400
Given f(x)=−3x2 +10x+2
f(-6)
What is -166?
400
Solving using the quadratic formula.
6x2 - x = 2
What is a, b, and c?
What is a = 6, b = -1, and c = -2?
500
The x value of the vertex is the...
What is the axis of symmetry
500
What two times was the ball 40 meters above the ground?
What is 1 and 9 seconds
500
Solve this quadratics by factoring to find the x-intercepts.
X2 + 16 = 10x
x = 2 or x = 8
500
A vertical line that runs through the vertex is called..
What is Axis of Symmetry
500
What is the standard form of the equation?
−11−x2=5−5x2−2x
What is -4x2-2x+16 ?
500
A student solved the quadratic equation using the quadratic formula. Did the student make a mistake, and if so, where?
2x2 -7x - 4 = 0
No, the solutions are correct.