Review for Quest #7

In the equation
y = x² +5x +7, match each leading coefficient with its correct letter 

• a=0, b=5, c=7
• a=1, b=5, c=7
• a=7, b=5, c=1

Solve using the quadratic formula...
9x² = 4 + 7x

• x = 2 and x = 3
• x = -1 and x = .25
• x = 1 and x = -.45
• x = 1.16, and x = -.38

Tags

CCSS.HSA-REI.B.4B

How many solutions does the equation 4x² + 4x + 1 = 0 have?

• 0
• 1
• 2
• More than 2

Tags

CCSS.HSA-REI.B.4B

If the discriminant is zero you will have

• no real solutions
• two real solutions
• 1 real solution
• 1 imaginary solution

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula.

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

What are the zeros?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

What is the minimum of this graph?

• (-2,6)
• (-0.5,-3.5)
• (-1,-3)
• (3,0)

Tags

CCSS.HSF-IF.C.7A

At what time is the ball 128 feet off the ground? Select all that apply.

• 1

• 2

• 3

• 4

• 5

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

How long is the ball's height decreasing?

• 2 seconds

• 5 seconds

• 6 seconds

• 3 seconds

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7