Rational Expressions Monomials

(x²+11x+24)/(x²+4x-32)

• A.(x+7)/(x+4)
• B.3/4
• C.(x+3)/(x+4)
• D.(x+3)/(x-4)

Tags

CCSS.HSA.APR.D.6

20x³/(5x+10)

• A.4x³/(x+2)
• B.4x³/(x+10)
• C.2x³/(5x+1)
• D. 2x³/(x+5)

Tags

CCSS.HSA.APR.D.6

(-x-5)/(x²+12x+35)

• A. 1/(x+7)
• B. 1/(x-7)
• C. -1/(x+7)
• D. -1/(x+6)

Tags

CCSS.HSA.APR.D.6

Simplify the expression

• 6x / 20xy
• 3 / 10y
• (6x+1) / (20xy)
• 3 / 20xy

Tags

CCSS.HSA.APR.D.7

Simplify the expression

• (5x + 4y) / 9y
• (6y + 3x) / 3y
• (2y + x) / y
• (6y + 3x) / 9y 

Tags

CCSS.HSA.APR.D.7

What value(s) make the expression undefined?

• x = - 3 and x = 4
• x = 3 and x = - 4
• x = 3 only
• x = - 4 only

Tags

CCSS.HSA.APR.D.7

What is the least common multiple of
3x²-27 and 5x²+10x-75?
HINT: Think least common denominator!

• 3(x+3)(x-3)(x+5)
• 15(x+3)(x+3)(x+5)
• 15(x+3)(x-3)(x+5)
• 5(x+3)(x-3)(x+5)

Tags

CCSS.HSA.APR.D.6

What is the least common multiple of  x²-16 and x²+4x-32?
HINT: Think least common denominator!

• (x + 4)(x – 4)(x + 8)
• (x-4)2 (x+8)
• (x + 4)(x – 4)
• (x - 4)(x-4)2(x + 8)

State the domain restrictions. 

• x ≠ -2
• x ≠ 2, 1
• x ≠ 2, -1
• x ≠ -2, 2, 1

State the domain restrictions. 

• x ≠ 3
• x ≠ 0, 3, 4
• x ≠ 0, 4
• x ≠ 4