Quadratic Transformations

Which of these parabolas is the narrowest?

Hint: type them all into the calculator and compare.

• y=−4x2y=-4x^2

  y=−4x2

• y=6x2y=6x^2

  y=6x2

• $y=10x^2$
  y=10x^2

• y=x2y=x^2

  y=x2

Tags

CCSS.HSF-IF.C.7A

Which of the parabolas is the widest?

Hint: type them all into the calculator and compare.

Tags

CCSS.HSF-IF.C.7A

• shifted up 5

• shifted down 5

• shifted right 5

• Wider by a factor of 5

• vertical stretch by a factor of 1/2

• shifted up 2 units

• shifted down 2 units

• no change

• wider and shifted down 4 units

• narrower and shifted down 4 units

• narrower and shifted up 4 units

• wider and shifted up 4 units

• positive

• negative

• doesn't matter

• negative

• positive

• does not matter