Calculus Quiz 1 Flashcards
1
Q
D<0
A
Not Factorable
2
Q
D>0
A
Factorable
3
Q
D<0, a>0
A
Always Positive
4
Q
D<0, a <0
A
Always Negative
5
Q
x1
A
−b + √D/2a
6
Q
x2
A
−b − √D/2a
7
Q
D=?
A
D=b^2−4ac
8
Q
(A-B)(A+B)
A
Difference of Squares
A^2−B^2
9
Q
Factoring by “guessing”
A
x^2−6x+8=(x−2)(x−4)
10
Q
(A+B)^2
A
A^2+2AB+B^2
11
Q
(A-B)^2
A
A^2−2AB+B^2
12
Q
Quadratic Formula
A
ax^2+bx+c
13
Q
Formula to solve with D
A
-b+√b^2-4ac/2a
14
Q
Odd Power
A
Different Signs
15
Q
Negative Power
A
Same Signs