Topic 8.1-8.3 QUIZ

• Steeper

  (closer to the y-axis)

• Wider

  (further from the y-axis

• Shifted up

• Shifted down

• Shifted right

• Steeper

  (closer to the y-axis)

• Wider

  (further from the y-axis

• Reflected over the y-axis

• Reflected over the x-axis

• Shifted down

Rewrite the function  f(x) = 5(x - 2)² - 3 in standard form.   

Mathematical Equivalence

OFF

Write the quadratic function in vertex form that represents the graph shown.

Mathematical Equivalence

OFF

The graph of g(x) = ax² opens downward and is narrower than the graph of f(x) = x². 

Which is a possible equation for g(x).  ​ ​ (a)  

Mark hits a tennis ball into the air. He uses the equation h = -16t² + 88t + 4 to approximate the height, h, in feet, of the ball t seconds after he hits it. What does 125 represent in the vertex?

• The ball was in the air for a total of 125 seconds. 

• The ball landed 125 feet away from where Mark hit it. 

• The ball was 125 feet above the ground when Mark hit it. 

• The ball reached its maximum height 125 seconds after Mark hit it.

• The ball was 125 feet above the ground at its highest point.

• Up

• Down

Tags

CCSS.HSF-IF.C.7A

• x = 3

• x = -3

• x = -4

• x = -2

• x = 4

• (3, -4)

• (-3, -4)

• (3, 4)

• (-3, 4)

• y > -4

• All Real Numbers

• x > -3

• y < -4

• x < -3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5