radomes.openskiesproject.org
baileysmall
baileysmall baileysmall
  • 26-02-2017
  • Mathematics
Answered

1.) What is the vertex of the quadratic function y=x^2-4x-1

2.) What is the solution set for the quadratic function y=x^2-4x-21

3.) What are the solutions to the quadratic equation (x+9)(x-1)=0

4.) What are the zeros for the quadratic function f(x)=x^2+10+25

Verified Answer :

calebwhitaker
calebwhitaker calebwhitaker
  • 27-02-2017
  1. Solve by differentiation (Derivative = 0 at the vertex)

    dy/dx= 2x-4

    0=2x-4

    0=2(x-2)

    x=2

    when x=2 y=-5

    therefore vertex (2,-5)
View image calebwhitaker
Answer Link

Related Questions

what twoword phrase indicates a ratio or fraction
The definition to reactivity with vinegar
i have 10 question will give medal and be a fan 1The main difference between a prokaryotic cell and a eukaryotic cell is A the ability to grow B the ability to
find the area and perimeter of this figure below PLS HELP ILL GIVE BRAINLIST TO ANYONE
i need help plz dont understand the empty spaces
what fraction of 1 quart is 3 cups
write an equation with the solution x20
Identify which component of a radiology service accounts for the use of equipment and supplies and the employment of radiologic technologists to perform diagnos
What was impressment How did it help cause the war of 1812
How do people adapt to there environment in Canada Use Canada in it