CCSS.Math.Content.HSA.REI.B.4

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.Math.Content.HSA.REI.D.10

CCSS.Math.Content.HSA.REI.B.4

A ball is thrown vertically into the air.  Its height in feet after t seconds is given by the equation h(t) = –5t² + 20t, and is graphed below.  How high will the balloon be after 3 seconds?

• 20 ft
• 15 ft
• 5 ft
• 10 ft

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve Using the Quadratic Formula 
2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Tags

CCSS.Math.Content.HSA.REI.B.4

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.Math.Content.8.F.A.1

CCSS.Math.Content.HSA.REI.B.4

Can this quadratic be solved by BOTH square root method AND difference of squares?
16x² - 25 = 0

• Yes!
• No - just square root method
• No - just difference of squares method

Tags

CCSS.Math.Content.HSA.REI.B.4

What are the solutions?

• -.5, 3.5
• 0,6
• -2.5, 4.5
• -1, 4

Tags

CCSS.Math.Content.8.EE.C.7

CCSS.Math.Content.HSA.REI.B.4

What is the value of p?  
(y - 4)² = -8(x+1)  

• -8
• 2
• 4
• -32

Tags

CCSS.Math.Content.HSA.REI.B.4

If the discriminant is negative, then the quadratic has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• 2 Imaginary Solutions

Tags

CCSS.Math.Content.HSA.REI.B.4

Solve
(x+3)²-5 = 9

• ±√14 -3
• √14 - 3
• ±11
• ±5

Tags

CCSS.Math.Content.HSA.REI.B.4

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation

s(t) = –16t² + 64t + 80

What will be the object's maximum height?

• 2 ft

• 80 ft

• 144 ft

• 64 ft

Tags

CCSS.Math.Content.HSA.REI.B.4