Factor the expression completely. If the polynomial is prime, state this as your answer.49x2 - 16y2
A. (7x + 4y)(7x - 4y)
B. prime
C. (7x + 4y)2
D. (7x - 4y)2
Answer: A
You might also like to view...
A container contains a large unspecified number of ping-pong balls. A student takes 80 balls from the container, marks them with a blue dot, returns the marked balls to the container, and thoroughly mixes the balls. She then takes 80 balls again from the container. Of these, 16 have blue dots. She now wants to use this data to estimate the total number of ping-pong balls in the container.The statistical method described in this example is called
A. capture-recapture. B. a controlled study. C. a census. D. a survey. E. none of these
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Use a calculator to evaluate the expression. Round the answer to three decimal places.(4.49)2
A. 0.050 B. -0.050 C. -20.160 D. 20.160
Solve.(x - 5)2 - 49 = 0
A. 7, -7 B. 12, -2 C. 54 D. -2, -12