Asked by Anonymous
Help me please
Standard form:
y=x^2-2x-3
Vertex form:
???
Intercept form:
???
Standard form:
y=x^2-2x-3
Vertex form:
???
Intercept form:
???
Answers
Answered by
Henry
Y = x^2 - 2x - 3
Vertex Form: Y = a(x-h)^2 + k
h = -b/2a = 2/2 = 1
K = 1^2 - 2*1 - 3 = -4
Vertex Form: Y = 1(x-1)^2 - 4
Y = x^2 - 2x - 3 = 0
-3 = 1*(-3). Sum = 1 + (-3) = -2 = b.
Factored or Intercept form:(x+1)(x-3) = 0
Vertex Form: Y = a(x-h)^2 + k
h = -b/2a = 2/2 = 1
K = 1^2 - 2*1 - 3 = -4
Vertex Form: Y = 1(x-1)^2 - 4
Y = x^2 - 2x - 3 = 0
-3 = 1*(-3). Sum = 1 + (-3) = -2 = b.
Factored or Intercept form:(x+1)(x-3) = 0
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