Finding Midlines of Trig Functions

Where is the midline for
y=2cos(1/3x +π/6) +2

• 1/3

• -2

• +2

• 4

Tags

CCSS.HSF-IF.C.7E

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7E

The __________ represents the distance above or below the midline of a sine or cosine graph; we always take the absolute value of this height. 

• Period

• Frequency

• Extreme Values

• Amplitude

Tags

CCSS.HSF-IF.C.7E

What is the midline of the given trigonometric function?

• y=0

• y=-3.5

• y=-9.5

• y=2.5

Tags

CCSS.HSF-IF.C.7E

Find the equation of the midline of the graph shown.

• y = 1

• y = 2

• y = 3

• y = 0

Tags

CCSS.HSF-IF.C.7E

What is the midline for y=2cos(1/3x + π/6) +2

• 1/3

• -2

• 2

• 4

Tags

CCSS.HSF-IF.C.7E

What is the equation of the midline of the graph?

• y = -1

• y = 0

• y = 3

• y = -3

Tags

CCSS.HSF-IF.C.7E

What is the midline?

• y = -7.3

• y = -7.35

• y = -3.65

• y = - 5.35

Tags

CCSS.HSF-IF.C.7E

What is the midline of this graph?

• y = 1

• y = 0

• y = -1

• y = 2

Answer explanation

Engineers use Trigonometry to figure out the angles of the sound waves and how to design rooms.

Tags

CCSS.HSF-IF.C.7E

What is the equation of the midline (principal axis) of the graph?

• y = -3

• y = 2

• y = -2

• y = 3

Tags

CCSS.HSF-IF.C.7E