Standard Form
The standard form of a quadratic equation (using letters).
What is y=ax2+bx+c?
The vertex form of a quadratic equation (using letters).
What is y=a(x-h)2+k?
The solution(s) to 14-x2=17. (Square root method)
What is no real solutions?
The solution(s) (exact & approximate) to 3(x+14)2=21.
What is x=14±√(7)?
What is x≈-16.65; x≈=11.35?
The three other names for solutions to quadratic equations.
What are zeros, roots, x-intercepts?
The calculation for axis of symmetry.
What is x=-b/2a?
The intercept form of a quadratic equation (using letters).
What is y=a(x-p)(x-q)?
The exact solution(s) to x2+4x-21=0. (CTS method)
What is x=-7; x=3?
The best method to solve and exact solution(s) to x2-8x-7=0.
What is CTS and x=4±√(23)?
The equation that gives the baseball's height as a function of time after it is hit for this situation: a baseball player hits a baseball into the air with an initial velocity of 42 feet per second from a height of 3 feet.
What is h(t)=-16t2+42t+3?
The y-intercept for the equation y=4x2+8x+3. (Remember correct form)!!!
What is (0, 3)?
The x-intercepts for the equation y=-(x-5)(x-3).
What is x=3; x=5?
The solution(s) to x2+36=12x-8. (Quadratic formula method)
What is no real solutions?
The best method to solve and exact solution(s) to 2x2-5x=11.
What is x=(5±√(113))/4?
The time it takes for a tennis ball to hit the ground when you drop it from a height of 100 ft.
What is 2.5 seconds?
The x-intercepts for the equation y=x2+2x-8.
What is x=-4; x=2?
The vertex for the equation y=2(x-5)2+12.
What is (5, 12)?
The exact solution(s) to 4x2+4x-7=0. (CTS method)
What is x=(-1/2)±√(2)?
The best method to solve and exact solution(s) to x2-6x=72.
What is CTS and x=-6; x=12?
The exact dimensions of a rectangle that has a length of (x+5) inches, a width of (x+3) inches, and an area of 63 inches2.
What is 9 inches by 7 inches?
The vertex form of the equation y=x2+8x+11.
What is y=(x+4)2-5?
The number of solutions 10=x2-5x has. (Discriminant/QF)
What is 2 solutions?
The best method to solve and exact solution(s) to 2x2=-5-11x.
What is quadratic formula method and x=-5; x=-1/2?
The maximum height of a ball that is kicked from the bleachers that are 2 feet above the ground with an initial velocity of 22 feet per second.
What is 9.5625 (or 153/16 or 9 9/16) feet?