Practice Flashcards: PSAT Advanced Math — quadratics, and which form shows what | Zestly

Question 1

Standard form of a quadratic

Accepted Answer

$y = ax^2 + bx + c$

Question 2

Vertex form of a quadratic

Accepted Answer

$y = a(x - h)^2 + k$

Question 3

Factored form of a quadratic

Accepted Answer

$y = a(x - r_1)(x - r_2)$

Question 4

Vertex coordinates from vertex form

Question 5

Discriminant formula

Question 6

Meaning of $D > 0$

Question 7

Meaning of $D = 0$

Question 8

Meaning of $D < 0$

Question 9

Factoring $x^2 + bx + c$

Question 10

Vertex x-coordinate from standard form

Question 11

Relationship between roots and factors

Question 12

Rejecting negative roots in context