1
Q
What is the quadratic formula
A
(-b±√b² - 4ac )/ 2a
2
Q
What is the form quadratics are written in
A
ax²+bx+c
3
Q
How do you complete the square
A
a(x + (b/2a)^2 - (b^2 /4a) + c
4
Q
What is the set of possible inputs of a function called
A
a domain
5
Q
What is the set of possible outputs of a function called
A
The range
6
Q
What is the discriminant
A
what is contains in the root of the quadratic equation
b² - 4ac
7
Q
How many roots does the equation have when the discriminant > 0
A
2 distinct real root
8
Q
How many roots does the equation have when the discriminant = 0
A
1 repeating real root
9
Q
A
10
Q
How many roots does the equation have when the discriminant < 0
A
No real roots
(A-level) Maths - Pure
flashcards
Decks in class (14)
# Cards
-
1 - Algebraic Expressions13
-
2 - Quadratics10
-
3 - Equations And Inequalities10
-
4 - Graphs And Transformaions6
-
5 - Straight Line Graphs7
-
6 - Cirlces0
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7 - algebraic methods0
-
8 - The Binomial Expansion0
-
9 - Trig ratios0
-
10 - trig identities0
-
11 - vectors0
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12 - differentiation15
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13 - Itegration8
-
14 - Exponentials and logs13
