Quadratics in Real Life

What is the equation for the axis of symmetry of 
f(x)= (x +1)² + 5

• x = 1

• x = -1

• x = -5

• x = 5

Which term makes a function a quadratic function?

• x²

• x

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

Which of the following pictures in real life IS an example of a parabola?

• A

• B

• C

• D

What is another name for the solutions of a quadratic equation?

• x-intercepts

• y-intercepts

• vertex

• They don't have another name

All Parabolas contain a vertex, when it opens up, this point is called a what?

• Maximum

• Minimum

Is this function wider, narrower, or the same as y=x²?
f(x) = -6(x-7)² - 9

• Wider

• Narrower

• Same

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A

Which of the following pictures in real life is NOT an example of a parabola?

• A

• B

• C

• D

Which of the following pictures in real life IS an example of a parabola?

• A

• B

• C

• D