List two things that "A" does to a quadratic equation? I want specifics!
What is narrows when greater than one or widens the graph when a fraction, keeps it smiling when positive or flips it to frowning when negative
100
Find the product of (x-2)(x+1)
What is x^2 -x -2
100
Factor: x^2 +7x +6
What is (x+6)(x+1)
100
List 2 ways you can tell if a graph is quadratic?
What is graph looks like smile or frown, has x^2, second difference is the same
200
What is the range of the graph: (x-2)^2 +4
What is [4 to infinity)
200
The vertex of a parabola is (-2,6) and one x intercept is (4,0). Give the coordinate of the other x intercept.
What is (-8,0)
200
Solve: (x+2)(x-3)=0
What is x= -2, x=3
200
Factor: x^2 -2x -24
What is (x-6)(x+4)
200
A baseball is being thrown from the outfield to the bases. It can be represented by the equation:
y=-16x^2 + 86x. y represents the feet the baseball is from the ground and x is the time in seconds from the moment the ball is thrown. How many seconds does it take the baseball to reach its highest point?
What is 2.69 seconds
300
What is the range of the graph: -2(x+1)^2 -3?
What is (-infinity to -3]
300
Give an example of an equation of a parabola that opens downward, is narrower than y=x^2, and is shifted up 5 units.
What is y=3x^2 +5
300
Foil: (3x-1)(2x+5)
What is 6x^2 +13x -5
300
Solve by factoring: x^2 + 4x - 12
What is (x+6)(x-2), so x=-6, x=2
300
What is another word for solution?
What is root, x-intercept, and zero
400
What is the range of the graph: -(x+1)^2 +1
What is (-infinity to 1]
400
Give an example of an equation of a parabola that opens upwards, is wider than y=x^2, is shifted downwards 2 and is shifted to the right 5.
What is y=(1/2)(x-5)^2 - 2
400
Solve: (x+2)(x+3)=12
What is x = -6, x= 1
400
Solve by factoring: x^2 + 8x +15
What is (x+5)(x+3), x = -5, x= -3
400
Find the solutions by graphing the equation x^2 + 7x= 18
What is x = -9 and x = 2
500
What is the range of the graph: x^2 +2x -6?
What is [-7 to infinity)
500
How does the graph of y=x^2 differ from the graph of
y=x^2 +6
What is the graph of y=x^2 +6 is shifted up 6 units from the graph of y=x^2
500
The area of a rectangle is 15. The sides are (x+2) and
(x+4). What is the value of x? and what are the sides lengths?
What is x = 1, sides: 3 and 5
500
If one factor of the expression x^2 + 6x -16, is (x+8) what is the other factor?