IM 3A TEST Week 2

What is the Vertex coordinates for the following parabola: 2(x-5)²+8

Hint: vertex formula is a(x-h)²+k

• (2,8)

• (5,8)

• (2,5)

• (0,2)

If the a value is positive, which direction does the parabola open?

• up

• down

• left

• right

Which of the following equations is a parabola?

• y = 9x + 4

• y = 9x³ +x+ 4

• y = 9x² +x+ 4

• y = 2^x

How is this function transformed from the parent function?

• Translated left
• Translated right
• Translated down
• Translated up

Tags

CCSS.HSF.BF.B.3

How is this function transformed from the parent function?

• Translated left
• Translated right
• Translated down
• Translated up

Tags

CCSS.HSF.BF.B.3

Describe the transformations required to obtain the function g(x) from the parent function f(x)

• A vertical shrink by 2, an x-axis reflection, a horizontal shift to the right by 3

• A vertical stretch by 2, an x-axis reflection, a horizontal shift to the right by 3

• A vertical stretch by 2, an x-axis reflection, a horizontal shift to the left by 3

• A vertical stretch by 2, a y-axis reflection, a horizontal shift to the right by 3

Apply the following transformations in the order given and write the equation of the new function:

a vertical shrink by 0.25, a horizontal shift left 3, and an x-axis reflection

• 
• 
• 
• 

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

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

Find the y-intercept of
f(x) = 2x²-2x + 1

• 2
• -2
• 1
• -1

Tags

CCSS.HSA.REI.B.4