M2 A 4.3

Which of the following is the equation of the quadratic that contains (-5, 0), (-3, 8), and (-2, 6)

• $y=-2x^2-12x-10$

• $y=2x^2+12x-10$

• $y=-2\left(x-3\right)^2+8$

• $y=-2x^2-3x+8$

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

What is the equation in vertex form?

• y = -4(x + 3)² - 4
• y = -4(x - 3) - 4
• y = -4(x + 3)² + 4
• y = -4(x - 3)² + 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.A.2

The table shows the average braking distances of a car at various speeds.  The braking distance is the distance the car travels before coming to a stop after its breaks are applied.  Use a quadratic model to predict the breaking distance at 70mph.  

• 245 ft
• 225 ft
• 285 ft
• 265 ft

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation
h(t) = -16t² +128t  
When will the object reach its maximum height?

• 4 ft
• 0 seconds
• 0 ft
• 4 seconds

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Which quadratic function in vertex form can be represented by the graph that has a vertex at (3,-7) and passes through the point (1,-10)?

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• 
• 
• 

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2