Unit 1
In y=mx+b, what is your m-value? What is your b-value?
b -> y-intercept
Anything to the exponent 0 gives you...
1
What is factored form?
y=a(x-r)(x-s)
Fill in the blanks:
"Similar triangles have the same ______, but different ______."
Similar triangles have the same angles, but different side lengths.
If given two coordinate points (no graph), how do you determine the slope?
m = (y2 - y1) / (x2 - x1)
When can you add exponents?
When multiplying terms with the same base.
What tells you if there's a maximum or a minimum
What is Pythagorean theorem and what triangles can you use it on?
a2+b2=c2
Only on right angle triangles
What are the two methods of solving for a point of intersection?
Substitution or elimination
What happens if you have a negative exponent to a whole number?
Becomes 1 over the whole number
How do you get from Standard Form to Vertex Form
Completing the square
What is your sinθ ratio?
Opposite/hypotenuse
How do you find the slope of the perpendicular bisector?
Negative reciprocal of the original slope
When do you "FOIL"?
When multiplying two binomials
What is the equation of the A.O.S. in this quadratic?
y=-2(x-4)(x+6)
x= -1
What is an angle of depression?
An angle that is below the horizontal
How many points of intersection are there between these lines?
3y=2x-3
4x-6y=6
None / 0
Factor:
x2-49
(x+7)(x-7)
Where does the discriminant formula come from?
Under the square root in the Quadratic Formula
Solve for the unknown side length
3u