Ch 7 Practice Test 2024

The equation 
xy =  25  represents:

• direct variation
• inverse variation
• joint variation
• none of these

Is this a direct variation?
y=2x

• yes
• no

What are the asymptotes?

• x=-2 and y=-1
• x=-2 and y=1
• x=2 and y=1
• x=2 and y = -1

Tags

CCSS.HSF-IF.C.7D

What is the domain of the function?

• All real numbers except -3 and 2

• All real numbers except -3

• All real numbers except 1

• All real numbers except -2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of the function?

• All real numbers except -2

• All real numbers except -2 and -4

• All real numbers except -4

• All real numbers except 3 and -2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain for the following function?

• All real numbers except 2.

• All real number except -2.

• All real numbers except 4.

• All real numbers.

Multiply and Simplify

• (n-10)/8n+56
• (n-10)(n+7)/8n+56
• (n-10)/8
• (n+10)/8

Tags

CCSS.HSA.APR.D.6

Tags

CCSS.HSA.APR.D.6

Simplify the expression

• (2a + 4b) / 12b²
• (2a - 4b) / 12b² 
• (a - b) / 6b²
• (a + 2b) / 6b² 

Tags

CCSS.HSA.APR.D.7

Simplify the expression.

• 
• 
• 
• 

Tags

CCSS.HSA.APR.D.7