Quadratics Part 2 retake

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (0, 7)
• (0, -7)

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

Tags

CCSS.HSA.REI.B.4

What is the vertex of
f(x) = 2(x - 5)² + 12

• (-5, -12)
• (5,-12)
• (5, 12)
• (-5, 12)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

An object is thrown upward and the equation that describes the path of the ball is

h(t) = -5t² + 9t + 2,

where h(t) is the height of the object and t is time in seconds. How far above the ground was the ball thrown from?

• 2 meters

• 5 meters

• 9 meters

• 10 meters

What are the
x-intercepts of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

How many solutions will this quadratic equation x²+8x+16 has?

• 2 real solutions

• 2 imaginary solution

• 1 solution

• 3 solutions

Tags

CCSS.HSA-REI.B.4B

What is the vertex of the following quadratic?:
y = x² + 6x + 5

• (0, 4)
• (3, 4)
• (-3, -4)
• (2, -5.5)

Describe the transformation of y =(x - 3)² + 5

• translated Right 3, Up 5
• translated Left 3, Up 5
• translated Right 5, Down 3
• translated Right 3, Down 5

Given the equation for this parabola:
 y= -3(x - 2)² + 10,
does this parabola have a maximum or minimum value? What is the value? 

• Maximum; 10
• Minimum; 10
• Maximum; 2
• Maximum; -2

Solve for r

• -3, 4

• 3, 4

• -4, -3

• -3