Unit 3B Test Review

What is the domain of the function?
*Hint: Domain is the set of all x-values included in the function.

• x≥3
• x≤3
• All real numbers
• -1≤x≤5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain for the following function?
f y = −(x + 2)^2 + 3. 

• (2,3)
• all real numbers
• (-inf, 3)
• (3, + inf)

What is the range of the function?
*Hint: Range is all of the y-values included in the function. 

• y≤3
• y≥3
• All real numbers
• -6≤y≤3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the vertex?

• (0, - 1)
• (0, 0.5)
• (-1, 0)
• (0.5, 0)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the axis of symmetry of the following equation:
y= (x+2)² - 1?

• x=2
• x=-2
• x=-1
• x=1

Does the quadratic have a max/min vertex, and does the graph open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?

• x = - 4
• x = - 2
• x = 0
• x = 4

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

What is the y-intercept of the following equation:
y= (x-1)² - 6?

• -5
• -7
• 0
• 5

Tags

CCSS.HSF-IF.C.7A

What is the max or min of the following equation:
y=-3(x-2)² - 4?

• Min=-4
• Max=-4
• Min=4
• Max=4

What is the direction of the graph of the following equation:
y= (x+2)² - 1?

• Up
• Down

Tags

CCSS.HSF-IF.C.7A