10/12 #2 Add & Subt Rational Ex #2

Add

 $\frac{3x-2}{x+2}+\frac{2x}{4x-1}$  

•  $\frac{14x^2-7x+2}{\left(x+2\right)\left(4x-1\right)}\$  

•  $\frac{14x^2-9x-2}{\left(x+2\right)\left(4x-1\right)}\$  

•  $\frac{12x^2-7x+2}{\left(x+2\right)\left(4x-1\right)}\$  

•  $\frac{14x^2-4x+5}{\left(x+2\right)\left(4x-1\right)}$  

Tags

CCSS.HSA.APR.D.7

Subtract

 $\frac{x}{2x+3}-\frac{2x+1}{2x-3}$  

•  $\frac{-2x^2-11x-3}{\left(2x-3\right)\left(2x+3\right)}\ ,\ x\ne\pm\frac{2}{3}$  

•  $\frac{-2x^2-11x-3}{\left(2x-3\right)\left(2x+3\right)}\ ,\ x\ne\pm\frac{3}{2}$  

•  $\frac{-2x^2+5x+3}{\left(2x-3\right)\left(2x+3\right)}\ ,\ x\ne\pm\frac{3}{2}$  

•  $\frac{-2x^2+5x+3}{\left(2x-3\right)\left(2x+3\right)}\ ,\ x\ne\pm\frac{2}{3}$  

Tags

CCSS.HSA.APR.D.7

Add

 $\frac{2x}{x^2-36}+\frac{x+4}{x+6}$  

•  $\frac{x^2-24}{\left(x+6\right)\left(x-6\right)}$  

•  $\frac{x^3+6x^2-24x}{\left(x^2-36\right)\left(x+6\right)}$  

•  $\frac{x^2+2x-24}{\left(x+6\right)\left(x-6\right)}\$  

•  $\frac{x^2+12x+24}{\left(x+6\right)\left(x-6\right)}\$  

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

Simplify the expression

• (-17x - 12y) / 15x

• (23x - 4y) / 15x

• (-17x - 4y) / 15x

• (-3x - 4y) / 8x

Tags

CCSS.HSA.APR.D.7

Simplify the expression

• (30ab³ + 8a) / 10b³
• (15ab³ + 4a) / 5b³
• 10a / 7b³
• (10a) / (5b³  + 2)

Tags

CCSS.HSA.APR.D.7

Simplify the expression

• (19k² -12k - 12) / 4k(5k-4)
• (19k² - 24k) / 4k(5k-4)
• (19k) /  4(5k-4)
• (19k - 24) / 4(5k-4)

Tags

CCSS.HSA.APR.D.7

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Tags

CCSS.7.NS.A.1C

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Tags

CCSS.HSA.APR.D.7

• A
• B
• C
• D

Tags

CCSS.HSA.APR.D.7