158k views
0 votes
Please help me with A B and C

Please help me with A B and C-example-1
User Njamesp
by
7.5k points

1 Answer

1 vote

(a)

the equation of a quadratic in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

here the vertex = (6, - 2 ) and a = 1

y = (x - 6 )² - 2 ← in vertex form

(b)

to find the zeros let y = 0

(x - 6 )² - 2 = 0 ( add 2 to both sides )

(x - 6 )² = 2 ( take the square root of both sides )

x - 6 = ±√2 ← ( note plus or minus )

add 6 to both sides

x = 6 ±√2 ← zeros

(c)

to obtain standard form expand the vertex form of the equation

y = x² - 12x + 36 - 2

y = x² - 12x + 34 ← in standard form




User Romel
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories