SECOND PT - REVIEWER

• 8x/y

• y/8x

• 8x

• 2y

• x + 3

• x - 3

• x + 2

• x - 2

The height of a triangle is 1/(x + 8) foot, while its base is (8x + 64) feet. What is the area of the triangle?

• 3 sq. ft.

• 4 sq. ft.

• 5 sq. ft.

• 6 sq. ft.

• (x - 2)/6

• (x + 2)/6

• 12/(x + 2)

• 12/(x - 2)

• The common factors that can be divided out are 6(a + 2)(a + 2).

What is the result of adding (8x)/(2x + 3) and (3)/(2x + 3)?

• (8x + 3)/(2x + 3)

• (8x + 3)/(4x + 6)

• (11x)/(2x + 3)

• (11x)/(4x + 6)

Suppose you have a rectangular garden whose length is (4x - 7)/5x and a width of (5x + 4)/5x. Which expression represents the combined measure of the length and width?

• Add the numerators.

• Find the LCD of (x + 2) and (x + 4).

• Rewrite each fraction with the common denominator.

   

• Simplify the resulting expression.

   

What is the Least Common Multiple (LCM) of the expressions (5x + 20) and (3x + 12)?

• 30(x + 4)

• 15(x + 4)

• 5(x + 4)

• 3(x + 4)