Factor x2+6x-8x-48
(x+6)(x-8)
What do you press in the calculator in order to solve for a quadratic?
Menu 3,3,1
Simplify i52
1
Find the zeros of the function:
-1 and 2
What is the domain of the quadratic function:
negative to positive infinity
OR all real numbers
Factor x2-6x-16
(x-8)(x+2)
If you do not have a calculator, how else can you solve a quadratic?
Factor and then change the signs of the numbers
Simplify i17
i
What are the roots of this graph:
1 and 3
What is the average rate of change formula?
y2-y1/x2-x1
Factor 12x2-16x
4(3x-4)
For the quadratic below, what would I type into this section of the calculator?
x2-10x+21=0
1
-10
21
Simplify
(9-6i) + (6+8i)
15+2i
What are the solutions to 0=(x-2)(x+5)
2 and -5
Is 6+7i real, imaginary, or complex?
complex
Factor 3x2+7x-20
(7x+6)(x+6)
Do the first step to this problem (before you type in or try to start factoring).
-11x2=-3x2+3x-5
0=8x2+3x-5
Simplify
(-4-3i) - (2-i)
-6-2i
What are the roots of y=(2x+5)(x-8)?
-5/2 and 8
What are the other three names for x-intercepts?
Solutions, roots, zeros
Rewrite the quadratic function in factored form:
y=x2-8x+7
y=(x-7)(x-1)
Solve x2=10x
x=0, x=10
(-5-5i)(1+3i)
10-20i
What are the x-intercepts of y=(6x-12)(2x+3)?
2 and -3/2
What is the transformations vertex form formula?
f(x)=...
f(x)=a(x-h)2+k