SOL Review Al 1 #8

SOL Review Al 1 #8

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By Emily Kelly

Multiple Choice

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

Multiple Choice

Does this graph have a maximum or minimum?

• Minimum
• Maximum

Multiple Choice

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Multiple Choice

What is the axis of symmetry for this graph?

• y=2
• x=2
• x=0
• y=0

Multiple Choice

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Multiple Choice

Find the axis of symmetry of  $$y=x^2+16x+71$$  

• $$x=8$$  

• $$x=-8$$  

• $$x=16$$  

• $$x=-16$$  

Multiple Choice

What is the equation for the axis of symmetry for the given equation 

$$y=2\left(x+4\right)^2-1$$  

• x = 2

• x = 4

• x = -1

• x = -4

Multiple Choice

Does this function open up or down?

• up

• down

Multiple Choice

Find the axis of symmetry for

f(x) = x²- 4x + 5.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Multiple Choice

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down

Multiple Choice

What is the equation of this graph?

• f(x) = (x -5)² + 1
• f(x) = (x - 1)² - 5
• f(x) = (x + 1)² - 5
• f(x) = (x + 5)² +1

Multiple Choice

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Multiple Choice

What is the vertex?

• (-1,-2)
• (-2,-1)
• (-3,-1)
• (2,1)

Multiple Choice

What is the vertex?

• (-2,0)

• (0,0)

• (0,-4)

• (2,0)

Multiple Choice

What is the vertex?

• (0,-4)

• (4,0)

• (0,0)

• (3,5)

Multiple Choice

What is the vertex?

• (-1,8)

• (8,-1)

• (0,6)

• (-2,6)

Multiple Choice

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Multiple Choice

Which equation is graphed above?

• $$y=-\left(x-1\right)^2+4$$

• $$y=\left(x-1\right)^2+4$$

• $$y=-\left(x-4\right)^2+1$$

• $$y=\left(x-4\right)^2+1$$

Multiple Choice

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

Multiple Choice

Solve the quadratic equation.
3x² - 8x - 8 = 0

• A    {0.38, -0.88} 
• B  {0.89, -8.9}
• C . {0.13, -0.63}
• D . {3.44, -0.77}

Multiple Choice

Solve the quadratic equation.
2p² - 2p - 55 = 5

• A .  {3.28, -2.28}
• B .  {2.5, -1.78}
• C . {6, -5}
• D . {-1, 4}

Multiple Choice

Use the quadratic formula to solve 2x² + 2x - 12.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Multiple Choice

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

Multiple Choice

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4
• -4 & 10
• -8 & 4
• 8 & -4

Multiple Choice

Solve 2r² - 3r -5 = 0 using the quadratic formula

• x = 1/2, -2

• x = 5/2, -1

• x = 2, -1/2

• x = 1, -5/2

• No Solution

Multiple Choice

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• -4.9 and -0.1

• -8.54 and 8.54

• -0.45 and 3.55

• -6.77 and 1.77

Multiple Choice

Select the answer that has a, b, and c correctly labeled:

$$y=-x^2+2x-9$$  

• a= 1, b= 2, c= -9

• a= 2, b= -1, c= 9

• a= -9, b= 2, c= -1

• a= -1, b= 2, c= -9