Solving Quadratics
Solve the following quadratic equation:
4x2 + 11 = 12
-1/2 and 1/2
What is the discriminant of a quadratic equation, and how does it help determine the nature of the solutions?
delta
The "t" in the dropped object model represents what?
Time
Simplify the square root of √75
What is 5√3
Does the graph of this equation open up or down?
y = 2x^2 +4x-9
Opens Up
Solve the following quadratic equation by factoring. x2+3x+2 = 0
x = -2 x = -1
What are the three different types of solutions we can have when solving quadratics
The "v" in the Thrown Object Model represents what?
What is Velocity?
Simplify √484
what is 22
Does the graph of this equation open up or down?
y = -4(x-2)² + 2
Open Down
Solve the following quadratic equation. x2 - 6x + 5 = 0
x = 5 x = 1
This is the formula for finding the vertex of a parabola.
What is -b/2a?
h=-16t2+vt+s
Simplify 3√1000
What is 30√10
Does the graph of this equation open up or down?
y = 2(x-1)² - 6
Open Up
Solve the following quadratic equation. x2 - 6x - 27 = 0
x = 9 x = -3
The axis of symmetry for this quadratic:
y=6x2+2x+4
What is x= 1/6
You throw a basketball whose path can be modeled by y=-16x2+ 15x + 6. This is the maximum height of the ball.
about 9.5 ft.
Simplify 9√640
What is 72√10
Does the graph of this equation open up or down?
y = 5(x+5)(x-2)
Open Up
Solve the following quadratic equation . 2x2 - 5x - 3 = 0
x = -1/2 x = 3
The vertex of y=5x2+10x+7
What is (-1,2)?
You throw a basketball whose path can be modeled by y=-16x2+ 15x + 6. This is how long it would take for the ball to hit the ground if no one catches it.
about 1.2 sec
Simplify 13√1872
What is 156√13
Does the graph of this equation open up or down?
y = -3(x+4)² - 2
Open down