Factoring
Solve the following equation. (x - 7)(x + 2) = 0
What is x = 7 and x = -2?
Solve the following quadratic equation by using square roots: x2 = 4
What is x = 2 and x = -2?
Every quadratic equation has a U-shaped graph called this.
What is a parabola?
Name the y-intercept. x^2+6x-8.
What is (0, -8)?
A diver jumps into a pool. The equation h(t)=-16t^2+6t+12 describes the height in feet as a function of time in seconds. Name the starting height of the diver.
What is 12 feet?
Solve the following quadratic equation by factoring. x2+3x+2 = 0
What is x = -2 and x = -1?
Solve the following quadratic equation by using square roots: x2 = 121
What is x=11 and x=-11?
The highest or lowest point on a parabola.
What is the vertex?
Name the x-intercepts. y=2(x-2)(x+6)
What is (2, 0) and (-6, 0)?
A diver jumps into a pool. The equation h(t)=-16t^2+6t+12 describes the height in feet as a function of time in seconds. What height is the diver at after 1 second?
What is 2 feet?
Solve the following quadratic equation by factoring. x2 - 6x + 5 = 0
What is x = 5 and x = 1?
Solve the following quadratic equation by using square roots: 4x2 = 400
What is x = 10 and x = -10?
When a quadratic equation is written in this form y=ax^2+bx+c.
What is standard form?
Name the x-intercepts. y=x^2-9
What is (3, 0) and (-3, 0)?
A rock climber accidentally drops rocks from 400 feet high. Using the equation y=-16t^2+400, when will the rocks hit the ground?
What is 5 seconds?
Solve the following quadratic equation by factoring. x2 - 6x - 27 = 0
What is x = 9 and x = -3?
Solve the following quadratic equation by using square roots: x2 -9 = -8
What is x=1 and x=-1?
The line that runs through the vertex and divides the parabola in exactly half.
What is the axis of symmetry?
Name the y-intercept. y=(x-6)(x-5)
What is (0, 30)?
A model rocket takes off from the ground. The height in feet and time in seconds can be modeled using the equation y=-16x^2+192x. How long does it take for the rocket to hit the ground?
What is 12 seconds?
Solve the following quadratic equation by factoring. 2x2 - 6x + 4 = 0
What is x = 2 and x = 1?
Solve the following quadratic equation by using square roots: 5x2 + 3 = 128
What is x = 5 and x = -5?
The number before the x^2 that determines whether a parabola opens up or down.
What is the leading coefficient?
Name the x-intercept. y=x^2+8x+16
What is (-4, 0)?
A model rocket takes off from the ground. The height in feet and time in seconds can be modeled using the equation y=-16x^2+192x. What is the maximum height that the rocket reaches?
What is 576 feet?