Fill in each blank with one of the words or phrases listed below. Some choices may be used more than once and some may not be used at all.

-The formulrmula $\frac { - b } { 2 a }$ wh wherere $y = a x ^ { 2 } + b x$ + c is called the_______ formula.
A)vertex
B)quadratic
C)completing the square
D)square root

Question

Fill in each blank with one of the words or phrases listed below. Some choices may be used more than once and some may not be used at all.

-The formulrmula $\frac { - b } { 2 a }$ wh wherere $y = a x ^ { 2 } + b x$ + c is called the_______ formula.
A)vertex 
B)quadratic 
C)completing the square 
D)square root

Quizplus · Accepted Answer

The formula $\frac{-b}{2a}$ is used to find the x-coordinate of the vertex of a parabola described by the quadratic equation $y = ax^2 + bx + c$. This makes it part of the vertex formula, which is used to find the vertex of a parabola.

Fill in Each Blank with One of the Words or Phrases