X-Factoring
Factor: x2 - 6x + 8
What is (x-4)(x-2)
a2+ b2= c2 for any _____ triangle
What is right?
This is the word that describes the length of a vector
What is magnitude?
This is the variable mathematicians traditionally use to define a parameter
What is t?
Two lines with the same slope
What is parallel?
Factor: 3m2 - 12s2
What is 3(m-2s)(m+2s)?
3, 4, 5; 5, 12, 13; 7, 24, 25
are all...
What is a pythagorean triple?
This is the magnitude of the vector <5, 12>
What is 13?
T/F: Both the parametric equations
Pt = (-6, 4) + t[-8, 7] and
x = - 6 - 8t
y = 4 + 7t
define the same motion of an object
What is true?
The line of all points that are equidistant from two endpoints of a segment.
What is a perpendicular bisector?
Factor: 14z - 53z2
What is z(14+53z)?
Square root (a2 + b2) = a + b when ____
What is a or b = 0
T/F: A vector, like slope, is the change in y divided by the change in x
What is false?
Solve:
x = 5 + 3t
y = 3 - 2t
when t is 4
What is (17, -5)
A perpendicular bisector intersects a segment at its...
What is a midpoint?
Factor: 5m2 + 65mp - 150p2
What is 5(m - 15p)(m + 2p)?
a2 + b2 < c2 for any ____ triangle
What is obtuse?
This is the name for any vector with length 1
What is a unit vector?
Given parametric equations
x = a1 + b1t
y = a2 + b2t
Find the slope of the line formed by these equations
What is b2/b1?
You will always get this number when you multiply the slopes of two perpendicular lines together
What is -1?
Factor: 18p3 - 12p2 + 6p - 4
What is 2(3p2 + 1) (3p - 2)
For any right triangle, the pythagorean theorem verifies that the area of the _____ whose side is the hypotenuse is equal to the sum of the areas of the _____ on the other two sides
What is square?
In "Despicable Me", Vector has this type of haircut
What is a bowl cut?
When is the object defined by parametrics
x = 15 - 5t
y = 28 - t
at (5, -7)?
When is never?
The line from a vertex of a triangle that is drawn to be perpendicular to its opposite side.
What is an altitude?