Solve the quadratic equation by factoring.81k2 - 4 = 0
A. 
, 0
B. 2, 0
C. 
, - 
D. 
, - 
Answer: D
Mathematics
You might also like to view...
Simplify.20 ÷ (-4) + (-4)(6)
A. -6 B. -19 C. 29 D. -29
Mathematics
Round the number as indicated.72,328 to the nearest hundred
A. 72,400 B. 72,310 C. 72,300 D. 72,200
Mathematics
Write a formula for a linear function f whose graph satisfies the conditions.Slope: 1.2; passing through (1, 3.5)
A. f(x) = 1.2x + 2.3 B. f(x) = 1.2x + 1.9 C. f(x) = -1.2x + 2.6 D. f(x) = 1.2x + 3.5
Mathematics
To find the number of units that gives break-even for the product, solve the equation R = C. Round your answer to the nearest whole unit.A manufacturer has total revenue given by the function R = 70x and has total cost given by 
where x is the number of units produced and sold.
A. 20 units B. 7250 units C. 120 units D. 1208 units
Mathematics