EOC Review Day 8

Which expression is equivalent to 2x²+(4x-6x²)+9-(6x+3)

• -4x²-2x+12
• -4x²-2x+6
• -10x+6
• 18x+12

The diagram shows the floor plan of a storage facility. All dimensions are given in feet. Which expression represents the area of the storage facility in square feet?

• 20x²+36x-16
• 20x²-4x-16
• 16x²-16
• 9x²-16

• A 
• B
• C
• D

• A
• B
• C
• D

In which step below does a mistake first appear in simplifying the expression 0.5(-12c+6)-3(c+4)+10(c-5)?
Step 1: -6c + 3 - 3(c+4) + 10(c-5)
Step 2: -6c + 3 - 3c - 12 + 10(c-5)
Step 3: -6c + 3 - 3c -12 + 10c - 50
Step 4: 7c - 41

• Step 1
• Step 2
• Step 3
• Step 4

Which function is equivalent to f(x)= 6x²-13x + 5

• f(x) = (3x-1)(2x+5)
• f(x) = (3x-5)(2x-1)
• f(x) = (3x-1)(2x-5)
• f(x) = (3x-5)(2x+1)

Which expression is a factor of 36x²-49? 

• 18x-7 
• 6x-49
• 18x-49
• 6x-7

• F
• G
• H
• J

A circle has a radius of 6x⁹y⁵ cm. The area of a circle can be found using A=πr². What is the area of this circle in square centimeters?

• 12πx¹⁸y¹⁰
• 36πx¹⁸y¹⁰
• 36πx¹¹y⁷
• 12πx¹¹y⁷

A rectangular prism has a width of x inches, a length of x²y inches, and a height of y² inches. Which expression represents the volume in cubic inches of this rectangular prism?

• 4x²y²
• 4x³y³
• x²y²
• x³y³