Review Tuesday Final Exam

Simplify:
5(3x+2)

• 3x+10
• 15x+10
• 15x-10
• 3x-10

(x + 5)(x + 4)

• x² + x + 20
• x² + 20x + 9
• x² + 9x + 20
• x² - 9x + 54

Tags

CCSS.HSA.APR.A.1

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Tags

CCSS.HSA.APR.A.1

Simplify the expression.
x³(2x²+3x)

• 2x⁵+3x⁴
• 2x⁶+3x³
• 5x⁹
• 5x

Tags

CCSS.HSA.APR.A.1

What is the radius of a circle with a diameter of 67?

• 15
• 21.8
• 33.5

Calculate the circumference when the diameter is 42.
π=3

• 5
• 3⅜
• 5.2
• 126

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

What is/are the formula(s) to find the circumference of a circle?

• 3π6
• 4π
• 2πr πd

What is pi (π)?

• An irrational number
• A natural number
• An integer
• A whole number

find the area of the circle with radius 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²