Test 7 Review

L.C.M. of x² + x - 12 and x² - 9 is

• (x + 3)(x + 4)

• (x - 3)(x + 4)

• (x - 3)(x + 3)(x + 4)

• x - 3

• 1/(x² - xy +y²)
• (x - y)/((x² + xy +y²)
• (x + y)/((x² - xy +y²)
• 1/(x + y)

Tags

CCSS.HSA.APR.D.6

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

Tags

CCSS.HSA.APR.D.7

Find the product.

• ^{(x + 2)(x - 3)} / _{(x - 1)} ; x ≠ 0

• x(x + 2)(x - 3) ; x ≠ 0, x ≠ 1

• ^{(x + 2)(x - 3)} / _x ; x ≠ 1

• ^{(x + 2)(x - 3)(x-1)} / _x ; x ≠ 1

• x(x-1) ; x ≠ -2, x ≠ 3

Tags

CCSS.HSA.APR.D.7

Find the quotient.

• 16x² / 5(x-1)² ; x ≠ -3, x ≠ 0

• 4 ; x ≠ -3, x ≠ 1, x ≠ 5

• ⅘ ; x ≠ 0, x ≠ 1

• (16x³ + 48x²) ÷ (5x + 15) ; x ≠ 1

• 5 ; x ≠ -3, x ≠ 0, x ≠ 1

Tags

CCSS.HSA.APR.D.6

Find the difference. Simplify if necessary.

• ³ / _6x²

• ³ / _(2x² _{- 3x)}

• ^{(21 - 8x)} / _6x²

• ¹³ / _6x

• ^{(7 - 6x)} / _3x

Tags

CCSS.HSA.APR.D.7

Find the sum. Simplify if necessary.

• ⁶ / _{(x - 1)(x + 2)}

• ^6x / _{(x - 1)(x + 2)}

• ⁶ / _{(2x + 1)}

• ^{(6x + 1)} / _{(x - 1)(x + 2)}

• ⁶ / _{(x + 2)} ; x ≠ 1

Tags

CCSS.HSA.APR.D.7

The lcd for  $\frac{1}{x+2}$  and  $\frac{1}{x-2}$   is _______________.

• x+2
  

• x-2

• (x+2)(x-2)

•  $\left(x+2\right)^2$  

Tags

CCSS.HSA.APR.D.7

Multiply and Simplify 

• 4(x+3)/(x+2),
• (x+2)/4(x+1)
• (x+2)/4(x+3),
• 4(x+1)/(x+2), 

Tags

CCSS.HSA.APR.D.7

Simplify the expression.

• 
• 
• 
• 

Tags

CCSS.HSA.APR.D.7