the formula
recite the quadratic formula used to solve for x
(ax2+bx+c=0)
in a projectile formula ht, what does h0 represent
t=0
what is the name of the symmetrical U shaped curve created by a quadratic function
parabola
factor the expression 4x^2+ 8x
x=0, x=-2
identify the values of a, b, and c for
-2x^2+4x -9=0
a=-2^2 b=4 c=-9
a ball is thrown from 6ft what is the initial height in the equation
6feet
name the specific point where the porlabra changes from increasing to decreasing
Vertex
find the binomial factor for the quadratic x^2+8x+12
(x+2)(x+6)
calculate the discriminant for
x^2+6x+9=0
0
calculate the time to reach max height for
h=-t^2+4 when does it hit the ground
2 seconds
what is the equation of the vertical line that passes through the vertex of the parabola
axis of symmetry
solve for x
x^2-5x-14=0
x=7, x=-2
solve for x using the formula x^2-4x+3=0
x=3 x=1
calculate the time to reach max height for
h=-t^2+4 when does it hit the ground
2 seconds
in the standard form y=ax2+bx+c, what does the constant c represent
y intercept
use GCF methord to solve the equation
3x^2+15x=0
x=0, x=-5
use the formula to find the irrational roots of
x²+2x-4=0
x=-1+/5
profit px=x^2+40x what unit count x maximizes profit
no maximum profit
define the discriminant and explain what it tells us about the roots of the equation
it tells you the number and type of solutions an equation has without requiring you to fully solve it
factor the complex trinomial where a>1
2x^2+7x+3
(2x+1)(x+3)