Grade 8 MCA Review Samplers

Four groups of numbers are shown.

Which group ONLY has rational numbers?

• A

• B

• C

• D

Caleb’s square garden has an area of 125 square feet. What is the perimeter of Caleb’s garden?

• 22.36 Feet

• 44.72 Feeet

• 60 Feet

• 500 feet

• 18.2 mph

• 36.9 mph

• 42.6 mph

• 165 mph

• 0

• 5/2

• 3

• 3x

• 588

In the equation 𝑓 ( 𝑥 )=4 𝑥−6, which is the independent variable?

• -6

• 4

• x

• f(x)

Identify the parts of the function.

f(x) = 7w + 32

d

c

b

a

Constant

Independent Variable

Coefficient

Dependent Variable

Which graph is not a linear function?

• 
• 
• 
• 

Which is a linear function?

• 
• 
• 
• 

What is the slope of this line?

Mathematical Equivalence

ON