Factor the difference of squares.49x2 - 16
A. (7x + 4)2
B. (7x - 4)2
C. (49x + 1)(x - 16)
D. (7x + 4)(7x - 4)
Answer: D
You might also like to view...
Solve the problem.The function A described by A(s) = s2 
gives the area of an equilateral triangle with side s. Find the area when a side measures 14 cm. Express your answer in radical form.
A. 7
cm2
B. 49
cm2
C. 3.5
cm2
D. 147 cm2
Solve the problem.A semi-circular transom above a door (shown in the figure) is to contain a stained glass window. If the stained glass window costs $1.25 per square inch, how much will the window cost rounded to the nearest cent? 
|34 in|
A. $2268.65 B. $4537.30 C. $1134.33 D. $567.16
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
- x)(
+ x)
A. y - x2
B. y - 2x
- x2
C. y - x
D. y + 2x
- x2
Solve the system for all real solutions, using any suitable method.
?
What will be an ideal response?