Practice Test #3 - A2, A4

What is the greatest common factor of 10b² and 10?

• 2
• 5
• 10
• 10b

What is the greatest common factor of 30x and 56x²

• 4x

• 6x

• 2x

• x

What is the greatest common factor of 12c⁴ and 6c²?

• 6c⁴

• 6c²

• 2c²

• 12c⁴

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)
• 5x(2x² - 3)
• 5(2x³ - 3x)
• 5x²(10x - 3)

Factor using GCF or monomial factoring:

x² - 5x

• 1(x - 5)

• x(x - 5x)

• x(x - 5)

• x²(1 - 5)

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)
• 5x(2x² - 3)
• 5(2x³ - 3x)
• 5x²(10x - 3)

What type of slope does the graph have?

• Zero
• Undefined
• Negative
• Positive

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Find the slope of the line.

• 1/2
• -1/2
• 2
• -2

LCM(5, 10) =

• 50

• 30

• 10

• 5