Factor completely.x2 - x - 12
A. (x + 4)(x - 3)
B. (x - 4)(x + 4)
C. (x + 1)(x - 7)
D. (x + 3)(x - 4)
Answer: D
You might also like to view...
(4 - j6) - (7 + j2) =
a. -3 - j4 b. -3 - j8 c. 11 - j4 d. 11 + j8 e. 4 - j6
Write the equation as an equivalent logarithmic equation.4-3 = 
A. log1/64(4) = -3
B. log-3 
= 4
C. log4 
= -3
D. log4(-3) = 
Solve the problem.Assume that the elevation E, in feet, of a sag in a proposed route is given by 
where x represents the horizontal distance in feet along the proposed route and 0 ? x ? 5000. For what x-values is the elevation 1300 feet or more? Round your answer to the nearest foot.
A. x < 893 ft or x > 5959 ft B. x < 893 ft or x > 5969 ft C. x < 883 ft or x > 5959 ft D. x < 883 ft or x > 5969 ft
Factor using the formula for the sum or difference of two cubes.8x3 + 1
A. (2x - 1)(4x2 + 1) B. (2x - 1)(4x2 + 2x + 1) C. (2x + 1)(4x2 - 2x + 1) D. prime