Quick Check Solving Rational Equations

Find the LCD of these fractions.

• (x+2)(x-1)x
• +2, -1
• (x+1)(x-2)
• (x+2)(x-1)

Tags

CCSS.HSA.APR.D.7

Find the LCD of these fractions.

• 3x
• 9x
• x
• 18x

Tags

CCSS.HSA.APR.D.7

What is the LCM/LCD?

• x²(x+3)(x-2)
• x³(x+3)(x-2)
• x(x+3)(x-2)
• (x+3)(x-2)

Tags

CCSS.HSA.APR.D.7

What is the LCM/LCD?

• 5x²
• 4x
• 20x³
• 20x⁷

Tags

CCSS.HSA.APR.D.7

Solve the equation for x.

• 6
• 12
• 0
• 3

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve the equation for x.

• 7
• 6
• 14
• 0

Tags

CCSS.HSA.REI.A.2

Solve and check for extraneous solutions

• x=5
• x= -5
• No Solution

Tags

CCSS.HSA.REI.A.2

Solve and check for extraneous solutions

• x= - 3 &x= -8
• x= -3 & -8 is extraneous 
• No Solution
• x= -8 & -3 is extraneous 

Tags

CCSS.HSA.REI.A.2

Solve for r

• 5
• - 5, 4
• - 5
• 5, 4

Tags

CCSS.HSA.REI.A.2

Simplify 

• (x-9)/(x+9)
• 1/(x-9)
• (x+9)
• 1/(x+9)

Tags

CCSS.HSA.APR.D.6