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Question 1 of 5: Find the LCD
$$\frac{x-3}{(x-3)(x-7)},\frac{6x-7}{(x-3)(x-5)}$$ $$\frac{x-3}{(x-3)(x-7)},$$$$\frac{6x-7}{(x-3)(x-5)}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(6x-7)(x-3)$$
B
$$(x-3)(x-3)$$
C
$$(x-3)(x-5)$$
D
$$(x-3)(x-7)$$
E
$$(x-3)(x-7)(x-5)$$ $$(x-3)(x-7)$$$$\cdot\hspace{.25em}(x-5)$$
Question 2 of 5: Find the LCD
$$\frac{x^2-8}{(x+3)(x-3)},\frac{5x^2-x-7}{5(x-3)}$$ $$\frac{x^2-8}{(x+3)(x-3)},$$$$\frac{5x^2-x-7}{5(x-3)}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(x-3)(x-3)$$
B
$$5(x+3)(x-3)$$
C
$$5(x-3)$$
D
$$5(x^2-8)$$
E
$$(x-3)(x^2-8)$$
Question 3 of 5: Find the LCD
$$\frac{3x^3-5}{x(x+17)(x-5)},\frac{12x^2-1}{3(x-5)(x-1)}$$ $$\frac{3x^3-5}{x(x+17)(x-5)},$$$$\frac{12x^2-1}{3(x-5)(x-1)}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(x+3)(x+17)(x-5)(x-1)$$ $$(x+3)(x+17)\hspace{.25em}\cdot$$$$(x-5)(x-1)$$
B
$$17(x-5)(x-1)$$ $$17(x-5)(x-1)$$
C
$$5x(x-17)(x-1)(x-3)$$ $$5x(x-17)\hspace{.25em}\cdot$$$$(x-1)(x-3)$$
D
$$3x(x+17)(x-5)(x-1)$$ $$3x(x+17)\hspace{.25em}\cdot$$$$(x-5)(x-1)$$
E
$$(3x^3-5)(12x^2-1)$$ $$(3x^3-5)\hspace{.25em}\cdot$$$$(12x^2-1)$$
Question 4 of 5: Find the LCD
$$\frac{x-12}{x(x-1)},\frac{19x-7}{5(x^2+x+1)}$$ $$\frac{x-12}{x(x-1)},$$$$\frac{19x-7}{5(x^2+x+1)}$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(x-5)(x^2+x+1)$$ $$(x-5)\hspace{.25em}\cdot$$$$(x^2+x+1)$$
B
$$(x-1)(x+1)$$
C
$$(x-5)(x-1)$$
D
$$5x(x-1)(x^2+x+1)$$ $$5x(x-1)\hspace{.25em}\cdot$$$$(x^2+x+1)$$
E
$$(3x^3-5)(12x^2-1)$$ $$(3x^3-5)\hspace{.25em}\cdot$$$$(12x^2-1)$$
Question 5 of 5: Find the LCD
$$\frac{4x^2-11}{3(x-2)},\frac{9x^3-13}{9(x-2)(x^2+2x+4)}$$ $$\frac{4x^2-11}{3(x-2)},$$$$\frac{9x^3-13}{9(x-2)(x^2+2x+4)}$$
Finish »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Thinking Emoji
A
$$(9x-13)(x^2+2x+4)$$ $$(9x-13)$$$$\cdot\hspace{.25em}(x^2+2x+4)$$
B
$$(x-2)(2x+1)$$
C
$$9(x-2)(x^2+2x+4)$$ $$9(x-2)$$$$\cdot\hspace{.25em}(x^2+2x+4)$$
D
$$9(x-2)(2x+1)$$
E
$$9(x-3)(x-2)(x+2)$$ $$9(x-3)(x-2)$$$$\cdot\hspace{.25em}(x+2)$$

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