Factoring
if the product of 2 numbers is 0, what is one of the numbers
what is the principal square root?
the positive square root of a positive real number
what is completing the square?
it rewrites a quadratic so the left side becomes a perfect square
what is the formula
see paper
where does the horizontal line intersect with the parabola when the quadratic has 1 solution
vertex
what is a binomical
a polynomial with 2 terms
what is the square root of a negative number?
a non-real number
how many solutions do we typically have?
2 solutions
in standard form what feature does it give you
the y-intercept
what is the name when there are 2 solutions when solving a quadratic
parabola
what is a coefficient
a number multiplied by a variable
can you solve x2-10=0 using square roots?
no
solve x2=9
x= 3 or x=-3
when solving x2=a, where a is greater 0 the solutions will always be what
positive and negative values of the square root of a
when direction does the equation y=x2 go
up ward
slove x2-8x+12=0
x=2 and x=6
solve x2-10=0
x= + or - the square root of 10
solve -3(x-5)2+6=21
x=2 or x=8
which form shows positive interval
factored form
what is the vertex of y=(x-4)2+1
(4,1)
slove h2-10h+25=0 by factoring
x=5 or (5,0)
solve x2-41 =-5
x= + or - 6
what number can you fill in the blank so that x2+8x+__ will have 2 equal factors
16
what are the solutions to x2+6x+13=0
x=-1 or x=-5
what is the axis of symmetry for y=(x+3)2-7
x=-3